Sandbox ID2
Pathogens of Clinical Relevance
Bacteria – Gram-Positive Cocci
- Staphylococcus aureus
- (1) Intravascular catheter-related infections[1]
- Methicillin susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin 2 g IV q6h OR Oxacillin, 2 g IV q6h.
- Alternative regimen: Cefazolin, 2 g IV q8h; or Vancomycin, 15 mg/kg IV q12h.
- Pediatric dose:
-
- Neonates
- 0–4 weeks of age and 1200 g- 50 mg/kg/day in divided doses every 12 h.
- <=7 days and 1200–2000 g- 50 mg/kg/day in divided doses every 12 h.
- >7 days of age and <2000g- 75 mg/kg/day in divided doses every 8 h.
- >7 days of age and >1200 g - 100 mg/kg/day in divided doses every 6 h.
- Neonates
- 0–4 weeks of age and 1200 g - 50 mg/kg/day in divided doses every 12 h.
- Postnatal age < 7 days and 1200–2000 g- 50–100 mg/kg/day in divided doses every 12 h.
- Postnatal age < 7 days and >2000 g, 75–150 mg/kg/day in divided doses every 8 h.
- Postnatal age >=7 days and 1200–2000 g- 75–150 mg/kg/day in divided doses every 8 h.
- Postnatal age >=7 days and >2000 g, 100–200 mg/kg/day in divided doses every 6 h.
- Infants and children Nafcillin 100–200 mg/kg/day in divided doses every 4–6 h.
- Neonates
- Postnatal age <=7 days: 40 mg/kg/day divided every 12 h.
- Postnatal age >7 days and 2000 g: 40 mg/kg/day divided every 12 h.
- Postnatal age >7 days and 12000 g: 60 mg/kg/day divided every 8 h.
- Infants and children: 50 mg/kg/day divided every 8 h.
- Neonates
- Postnatal age <=7 days and <1200 g, 15 mg/kg/day given every 24 h.
- Postnatal age <=7 days and 1200–2000 g, 10–15 mg/kg given every 12–18 h.
- Postnatal age <=7 days and >2000 g, 10–15 mg/kg given every 8–12 h.
- Postnatal age >7 days and <1200 g, 15 mg/kg/day given every 24 h.
- Postnatal age >7 days and 1200–2000 g, 10–15 mg/kg given every 8–12 h.
- Postnatal age >7 days and >2000 g, 15–20 mg/kg given every 8 h.
- Infants and children: 40 mg/kg/day in divided doses every 6–8 h.
- Methicillin resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin, 15 mg/kg IV q12h OR Daptomycin, 6–8 mg/kg per day IV, or Linezolid 10 mg/kg q 12 hr IV or PO ; OR Vancomycin 15 mg/kg IV q12h AND (Rifampicin IV or Gentamycin IV); or Trimethoprim-Sulfamethoxazole 6–12 mg TMP/kg/day in divided doses every 12 h alone (if susceptible).
- Pediatric dose
- Linezolid 10 mg/kg q 12 hr IV or PO
- Neonates
- 0–4 weeks of age and birthweight <1200 g: 10 mg/kg every 8–12 h (note: use every 12 h in patients <34 weeks gestation and <1 week of age).
- <7 days of age and birthweight >1200 g, 10 mg/kg every 8–12 h (note: use every 12 h in patients <34 weeks gestation and <1 week of age).
- 7 days and birthweight >1200 g, 10 mg/kg every 8 h.
- Infants and children <12 years of age: 10 mg/kg every 8 h Children 12 years of age and adolescents: 10 mg/kg every 12 h.
- Neonates
- Premature neonates and <1000 g, 3.5 mg/kg every 24 h; 0–4 weeks and <1200 g, 2.5 mg/kg every 18–24 h.
- Postnatal age 7 days: 2.5 mg/kg every 12 h.
- Postnatal age 17 days and 1200–2000 g, 2.5 mg/kg every 8–12 h.
- Postnatal age 17 days and 12000 g, 2.5 mg/kg every 8 h.
- Once daily dosing for premature neonates with normal renal function, 3.5–4 mg/kg every 24 h.
- Once daily dosing for term neonates with normal renal function, 3.5–5 mg/kg every 24 h.
- Infants and children <5 years of age: 2.5 mg/kg every 8 h; once daily dosing in patients with normal renal function, 5–7.5 mg/kg every 24 h.
- Children >5 years of age: 2–2.5 mg/kg every 8 h; once daily dosing in patients with normal renal function, 5–7.5 mg/kg every 24 h.
- Infants 12 months of age and children: mild-to-moderate infections, 6–12 mg TMP/kg/day in divided doses every 12 h; serious infection, 15–20 mg TMP/kg/day in divided doses every 6–8 h.
-
- Methicillin-resistant Staphylococcus aureus (MRSA)
- In adults
- Preferred regimen: Vancomycin 30–45 mg/kg/day IV q8–12h for 4–6 weeks
- Alternative regimen: Linezolid 600 mg PO/IV q12h for 4–6 weeks OR Trimethoprim-Sulfamethoxazole 5 mg/kg/dose PO/IV q8–12h for 4–6 weeks
- In childern
- Preferred regimen: Vancomycin15 mg/kg/dose IV q6h OR Linezolid 10 mg/kg/dose PO/IV q8h
- Note: Consider the addition of Rifampin 600 mg qd OR 300–450 mg bid to Vancomycin.
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin 2 g IV q4h OR Oxacillin 2 g IV q4h
- Alternative regimen: Vancomycin 30–45 mg/kg/day IV q8–12h
-
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 30–45 mg/kg/day IV q8–12h AND/OR Rifampin 600 mg IV/PO q24h
- Note: Shunt removal is recommended, and it should not be replaced until cerebrospinal fluid cultures are repeatedly negative.
- Methicillin-susceptible Staphylococcus aureus (MSSA)
-
- Penicillin-susceptible Staphylococcus aureus or Streptococcus
- Preferred regimen: Penicillin G 4 MU IV q4h for 2–4 weeks, then PO to complete 6–8 weeks
- Methicillin-susceptible Staphylococcus aureus or Streptococcus
- Preferred regimen: Cefazolin 2 g IV q8h for 2–4 weeks, then PO to complete 6–8 weeks OR Nafcillin 2 g IV q4h for 2–4 weeks, then PO to complete 6–8 weeks OR Oxacillin 2 g IV q4h for 2–4 weeks, then PO to complete 6–8 weeks
- Alternative regimen: Clindamycin 600 mg IV q6h for 2–4 weeks, then PO to complete 6–8 weeks
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin loading dose 25–30 mg/kg IV followed by 15–20 mg/kg IV q8–12h for 2–4 weeks, then PO to complete 6–8 weeks
- Alternative regimen: Linezolid 600 mg PO/IV q12h for 4–6 weeks OR TMP-SMX 5 mg/kg/dose PO/IV q8–12h for 4–6 weeks
- Pediatric dose: Vancomycin 15 mg/kg/dose IV q6h OR Linezolid 10 mg/kg/dose PO/IV q8h
- Note: Consider the addition of Rifampin 600 mg qd or 300–450 mg bid to Vancomycin in adult patients.
- (5) Bacterial meningitis
- Methicillin susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin 9–12 g/day IV q4h OR Oxacillin 9–12 g/day IV q4h
- Alternative regimen: Vancomycin 30–45 mg/kg/day IV q8–12h OR Meropenem 6 g/day IV q8h
- Methicillin resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 30–45 mg/kg/day IV q8–12h
- Alternative regimen: Trimethoprim-Sulfamethoxazole 10–20 mg/kg/day q6–12h OR Linezolid 600 mg IV q12h
- Note: Consider the addition of Rifampin 600 mg qd or 300–450 mg bid to Vancomycin in adult patients.
- (6) Septic thrombosis of cavernous or dural venous sinus[11]
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 15–20 mg/kg/dose IV q8–12h for 4–6 weeks
- Alternative regimen: Linezolid 600 mg PO/IV q12h for 4–6 weeks OR TMP-SMX 5 mg/kg/dose PO/IV q8–12h for 4–6 weeks
- Pediatric dose: Vancomycin 15 mg/kg/dose IV q6h OR Linezolid 10 mg/kg/dose PO/IV q8h
- Note (1): Surgical evaluation for incision and drainage of contiguous sites of infection or abscess is recommended whenever possible.
- Note (2): Consider the addition of Rifampin 600 mg qd or 300–450 mg bid to vancomycin.
- (7) Subdural empyema
- Methicillin-resistant Staphylococcus aureus (MRSA)[12]
- In adults
- Preferred regimen: Vancomycin 30–45 mg/kg/day IV q8–12h for 4–6 weeks
- Alternative regimen: Linezolid 600 mg PO/IV q12h for 4–6 weeks OR TMP-SMX 5 mg/kg/dose PO/IV q8–12h for 4–6 weeks
- In childern
- Preferred regimen: Vancomycin 15 mg/kg/dose IV q6h OR Linezolid 10 mg/kg/dose PO/IV q8h
- Note: Consider the addition of Rifampin 600 mg qd or 300–450 mg bid to vancomycin.
- (8) Acute conjunctivitis [13]
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin ointment 1% qid
- (9) Appendicitis
- Health Care–Associated Complicated Intra-abdominal Infection [14]
- Methicillin-resistant Staphylococcus aureus (MRSA):
- Preferred regimen: Vancomycin 15–20 mg/kg every 8–12 h
- Methicillin-resistant Staphylococcus aureus (MRSA):
- (10) Diverticulitis
- Health Care–Associated Complicated Intra-abdominal Infection [14]
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 15–20 mg/kg every 8–12 h
- Methicillin-resistant Staphylococcus aureus (MRSA)
- (11) Peritonitis secondary to bowel perforation, peritonitis secondary to ruptured appendix, peritonitis secondary to ruptured appendix, typhlitis
- Health Care–Associated Complicated Intra-abdominal Infection [14]
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 15–20 mg/kg every 8–12 h
- (12) Cystic fibrosis [15]
- Preferred Regimen (Adult)
- If methicillin sensitive staphylococcus aureus: Nafcillin 2 gm IV q4hs OR Oxacillin 2 gm IV q4hs
- If methicillin resistant staphylococcus aureus: Vancomycin 15-20 mg/kg IV q8-12h OR Linezolid 600 mg po/IV q12h
- Preferred regimen (Pediatric)
- If methicillin sensitive staphylococcus aureus: Nafcillin 5 mg/kg q6h (Age >28 days) OR Oxacillin 75 mg/kg q6h (Age >28 days)]]
- If methicillin resistant staphylococcus aureus: Vancomycin 40 mg/kg divided q6-8h (Age >28 days) OR Linezolid 10 mg/kg po/IV q8h (up to age 12)
- (13) Bronchiectasis [16]
- (a) Preferred Regimen in adults
- Recommended first-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Flucloxacillin 500 mg oral qds for 14 days
- Methicillin-resistant Staphylococcus aureus (MRSA): Patient's body weight is <50 kg: Rifampicin 450 mg oral od AND Trimethoprim 200 mg oral bd for 14 days ; Patient's body weight is >50 kg: Rifampicin 600 mg oral od AND Trimethoprim 200 mg oral bd for 14 days
- Methicillin-resistant Staphylococcus aureus (MRSA): Vancomycin 1 g IV bd (monitor serum levels and adjust dose accordingly) OR Teicoplanin 400 mg od for 14 days
- Recommended second-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Clarithromycin 500 mg oral bd 14 days
- Methicillin-resistant Staphylococcus aureus (MRSA): Patient's body weight is <50 kg: Rifampicin 450 mg oral od AND Doxycycline 200 mg oral od 14 days, Patient's body weight is >50 kg: Rifampicin 600 mg oral AND Doxycycline 200 mg oral od 14 days. Third-line: Linezolid 600 mg bd 14 days
- Methicillin-resistant Staphylococcus aureus (MRSA): Linezolid 600 mg IV bd 14 days
- (b) Preferred Regimen in children
- Recommended first-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Flucloxacillin
- Methicillin-resistant Staphylococcus aureus (MRSA): Children (< 12 yr): Trimethoprim 4-6 mg/kg/24 hr divided q 12 hr PO Children (> 12 yr) : Trimethoprim 100-200 mg q 12 hr PO. Rifampicin 450 mg oral od : Rifampicin 600 mg oral od AND
- Methicillin-resistant Staphylococcus aureus (MRSA): Vancomycin 45-60 mg/kg/24 hr divided q 8-12 hr IV OR Teicoplanin
- Recommended second-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Clarithromycin 15 mg/kg/24 hr divided q 12 hr PO
- Methicillin-resistant Staphylococcus aureus (MRSA): Rifampicin AND Doxycycline 2-5 mg/kg/24 hr divided q 12-24 hr PO or IV (max dose: 200 mg/24 hr) ; Rifampicin AND Doxycycline 2-5 mg/kg/24 hr divided q 12-24 hr PO or IV (max dose: 200 mg/24 hr) . Third-line: Linezolid 10 mg/kg q 12 hr IV or PO
- Methicillin-resistant Staphylococcus aureus (MRSA): Linezolid 10 mg/kg q 12 hr IV or PO
- (B)Long-term oral antibiotic treatment
- (a) Preferred Regimen in adults
- Recommended first-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Flucloxacillin 500 mg oral bd
- Recommended second-line treatment and length of treatment
- Methicillin-susceptible Staphylococcus aureus (MSSA): Clarithromycin 250 mg oral bd
- (14) Empyema
- Preferred regimen: Nafcillin 2 gm IV q4h OR oxacillin 2 gm IV q4h if MSSA
- Alternate regimen: Vancomycin 1 gm IV q12h OR Linezolid 600 mg po bid if MRSA
- (15) Community-acquired pneumonia
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred Regimen : Nafcillin 1000-2000 mg q4h OR Oxacillin 2 g IV q4h OR Flucloxacillin 250 mg IM/IV q6h
- Alternative Regimen : Cefazolin 500 mg IV q12h OR Clindamycin 150-450 mg PO q6-8h
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred Regimen : Vancomycin 45-60 mg/kg/day divided q8-12h (max: 2000 mg/dose) for 7-21 days OR Linezolid 600 mg PO/IV q12h for 10-14 days
- Alternative Regimen: Trimethoprim-Sulfamethoxazole 1-2 double-strength tablets (800/160 mg) q12-24h
- (16) Olecranon bursitis or prepatellar bursitis
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin 2 g IV q4h OR Oxacillin 2 g IV q4h OR Dicloxacillin 500 mg PO qid
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 1 g IV q12h OR Linezolid 600 mg PO qd
- Note: Initially aspirate q24h and treat for a minimum of 2–3 weeks.
- (17) Septic arthritis
- In adults
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regime: Vancomycin 15–20 mg/kg IV q8–12h
- Alternative regimen (1): Daptomycin 6 mg/kg IV q24h in adults
- Alternative regimen (2): Linezolid 600 mg PO/IV q12h
- Alternative regimen (3): Clindamycin 600 mg PO/IV q8h
- Alternative regimen (4): TMP-SMX 3.5–4.0 mg/kg PO/IV q8–12h
- In childern
- Preferred regimen: Vancomycin 15 mg/kg IV q6h OR Daptomycin 6–10 mg/kg IV q24h OR Linezolid 10 mg/kg PO/IV q8h OR Clindamycin 10–13 mg/kg/dose PO/IV q6–8h
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred regime: Nafcillin 2 g IV q6h OR Clindamycin 900 mg IV q8h
- Alternative regime: Cefazolin 0.25–1 g IV/IM q6–8h OR Vancomycin 500 mg IV q6h or 1 g IV q12h
- (18) Septic arthritis, prosthetic joint infection (device-related osteoarticular infections)
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin 2 g IV q4–6h OR Oxacillin 2 g IV q4–6h
- Alternative regimen: Cefazolin 1–2 g IV q8h OR Ceftriaxone 2 g IV q24h
- Alternative regimen (if allergic to penicillins): Clindamycin 900 mg IV q8h OR Vancomycin 15–20 mg/kg IV q8–12 hours, not to exceed 2 g per dose
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Early-onset (< 2 months after surgery) or acute hematogenous prosthetic joint infections involving a stable implant with short duration (< 3 weeks) of symptoms and debridement (but device retention)
- Preferred regimen: Vancomycin AND Rifampin 600 mg PO qd or 300–450 mg PO bid for 2 weeks
- Alternative regimen: (Daptomycin 6 mg/kg IV q24h OR Linezolid 600 IV q8h) AND Rifampin 600 mg PO qd or 300–450 mg PO bid for 2 weeks
- Note: The above regimen should be followed by Rifampin plus a fluoroquinolone, TMP/SMX, a tetracycline or Clindamycin for 3 or 6 months for hips and knees, respectively.
- (19) Hematogenous osteomyelitis
- Adult (>21 yrs)
- Methicillin-resistant Staphylococcus aureus (MRSA) possible
- Preferred regimen: Vancomycin 1 gm IV q12h (if over 100 kg, 1.5 gm IV q12h)
- Methicillin-resistant Staphylococcus aureus (MRSA) unlikely
- Children (>4 mos.)-Adult
- Methicillin-resistant Staphylococcus aureus (MRSA) possible
- Preferred regimen: Vancomycin 40 div q6–8h
- Methicillin-resistant Staphylococcus aureus (MRSA) unlikely
-
- Note: Add Ceftazidime 50 q8h or Cefepime 150 div q8h if Gm-neg. bacilli on Gram stain
- Newborn (<4 mos.)
- Methicillin-resistant Staphylococcus aureus (MRSA) possible
- Preferred regimen: Vancomycin AND (Ceftazidime 2 gm IV q8h or Cefepime 2 gm IV q12h)
- Methicillin-resistant Staphylococcus aureus (MRSA) unlikely
- Preferred regimen: (Nafcillin OR Oxacillin) AND (Ceftazidime OR Cefepime)
- Specific therapy
- Methicillin-susceptible Staphylococcus aureus (MSSA)
- Preferred regimen: Nafcillin OR Oxacillin 2 gm IV q4h OR Cefazolin 2 gm IV q8h
- Alternative regimen: Vancomycin 1 gm IV q12h (if over 100 kg, 1.5 gm IV q12h)
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin 1 gm IV q12h
- Alternative regimen: Linezolid 600 mg q12h IV/po ± Rifampin 300 mg po/IV bid
- (20) Diabetic foot osteomyelitis
- High Risk for MRSA
- Preferred regimen: Linezolid 600 mg IV/PO q12h OR Daptomycin 4 mg/kg IV q24h OR Vancomycin 15–20 mg/kg IV q8–12h (trough: 10–20 mg/L)
- (21) Necrotizing fasciitis[17]
- In adult
- Preferred regimen (1): Nafcillin 1–2 g every 4 h IV (Severe Pencillin allergy: Vancomycin, linezolid, quinupristin/dalfopristin, daptomycin)
- Preferred regimen (2): Oxacillin 1–2 g every 4 h IV
- Preferred regimen (3): Cefazolin 1 g every 8 h IV
- Preferred regimen (4): Vancomycin 30 mg/kg/d in 2 divided doses IV
- Preferred regimen (5): Clindamycin 600–900 mg every 8 h IV
- In childern
- Preferred regimen (1): Nafcillin 50 mg/kg/dose every 6 h IV (Severe Pencillin allergy: Vancomycin, linezolid, quinupristin/dalfopristin, daptomycin)
- Preferred regimen (2): Oxacillin 50 mg/kg/dose every 6 h IV
- Preferred regimen (3): Cefazolin 33 mg/kg/dose every 8 h IV
- Preferred regimen (4): Vancomycin 15 mg/kg/dose every 6 h IV
- Preferred regimen (5): Clindamycin 10–13 mg/kg/dose every 8 h IV (Bacteriostatic; potential cross-resistance and emergence of resistance in erythromycin-resistant strains; inducible resistance in methicillin resistent staphylococcus aureus)
- (22) Staphylococcal toxic shock syndrome [18]
- Methicillin sensitive Staphylococcus aureus
- Preferred regimen: Cloxacillin 250-500 mg q6h PO (max dose: 4 g/24 hr) OR Nafcillin 4-12 g/24 hr divided q4-6hr IV (max dose: 12 g/24 hr) OR Cefazolin 0.5-2g q8h IV or IM (max dose: 12 g/24 hr), AND Clindamycin 150-600 mg q6-8h IV, IM, or PO (max dose: 5 g/24 hr IV or IM or 2 g/24 hr PO)
- Alternative regimen (1):Clarithromycin 250-500 mg q12h PO (max dose: 1 g/24 hr) AND Clindamycin 150-600 mg q6-8h IV, IM, or PO (max dose: 5 g/24 hr IV or IM or 2 g/24 hr PO)
- Alternative regimen (1):Rifampicin, AND Linezolid 600 mg q 12 hr IV or PO OR Daptomycin OR Tigecycline 100 mg loading dose followed by 50 mg q12h IV
- Methicillin resistant Staphylococcus aureus
- Preferred regimen: Clindamycin 150-600 mg q6-8h IV, IM, or PO (max dose: 5 g/24 hr IV or IM or 2 g/24 hr PO) OR Linezolid 600 mg q12h IV or PO , AND Vancomycin 15 to 20 mg/kg IV q8-12h, not to exceed 2 g per dose or Teicoplanin
- Alternative regimen (1):Rifampicin, AND Linezolid 600 mg q12h IV or PO OR Daptomycin OR Tigecycline 100 mg loading dose followed by 50 mg q12h IV
- Glycopeptide resistant or intermediate Staphylococcus aureus
- Preferred regimen: Linezolid 600 mg q12h IV or PO AND Clindamycin 150-600 mg q6-8h IV, IM, or PO (max dose: 5 g/24 hr IV or IM or 2 g/24 hr PO) (if sensitive)
- Alternative regimen (1):Daptomycin OR Tigecycline 100 mg loading dose followed by 50 mg q12 IV
- Note: Incidence increasing. Geographical patterns highly variable.
Prophylaxis
Antimicrobial Regimen
- Staphylococcus aureus
- Coronary artery bypass graft-associated acute mediastinitis[19]
- Methicillin susceptible staphylococcus aureus (MSSA)
- Preferred regimen: A first- or second-generation Cephalosporin is recommended for prophylaxis in patients without methicillin-resistant Staphylococcus aureus colonization.
- Methicillin resistant staphylococcus aureus (MRSA)
- Preferred regimen: Vancomycin alone or in combination with other antibiotics to achieve broader coverage is recommended for prophylaxis in patients with proven or suspected methicillin-resistant S. aureus colonization
- Note (1): Preoperative antibiotics should be administered to all patients to reduce the risk of mediastinitis in cardiac surgery.
- Note (2): The use of intranasal Mupirocin is reasonable in nasal carriers of Staphylococcus aureus.
Bacteria – Gram-Positive Bacilli
- Erysipeloid of Rosenbach (localized cutaneous infection)[20]
- Preferred regimen (1): Penicillin G benzathine 1.2 MU IV as a single dose
- Preferred regimen (2): Penicillin VK 250 mg PO qid for 5-7 days
- Preferred regimen (3): Procaine penicillin 0.6-1.2 MU IM qd for 5-7 days
- Alternative regimen (1): Erythromycin 250 mg PO qid for 5-7 days
- Alternative regimen (2): Doxycycline 100 mg PO bid for 5-7 days
- Diffuse cutaneous infection
- Preferred regimen: As for localized infection
- Note: Assess for endocarditis
- Bacteremia or endocarditis
- Preferred regimen: Penicillin G benzathine 2-4 MU IV q4h for 4-6 weeks
- Alternative regimen (1): Ceftriaxone 2 g IV q24h for 4-6 weeks
- Alternative regimen (2): Imipenem 500 mg IV q6h for 4-6 weeks
- Alternative regimen (3): Ciprofloxacin 400 mg IV q12h for 4-6 weeks
- Alternative regimen (4): Daptomycin 6 mg/kg IV q24h for 4-6 weeks
- Note: Recommended duration of therapy for endocarditis is 4 to 6 weeks, although shorter courses consisting of 2 weeks of intravenous therapy followed by 2 to 4 weeks of oral therapy have been successful.
- Systemic infection[21]
- Preferred regimen: Penicillin G 2 MU IV q4h for 2-4 weeks
- Alternative regimen: Clindamycin 600 mg IV q8h for 2-4 weeks OR Vancomycin 15 mg/kg IV q12h for 2-4 weeks
- Shoulder prosthesis infection
- Preferred regimen: Amoxicillin AND Rifampin for 3-6 months
- Acne vulgaris
- Topical antibiotics: Erythromycin OR Clindamycin
- Systemic antibiotics: Minocycline OR Doxycycline OR Trimethoprim-Sulfamethoxazole
- Rhodococcus equi [22]
- Preferred regimen:
- First line: vancomycin 1 g IV q12h (15 mg/kg q12 for >70 kg) OR Imipenem 500 mg IV q6h AND Rifampin 600 mg PO once daily OR Ciprofloxacin 750 mg PO twice daily OR Erythromycin 500 mg PO four times a day for at least 4 weeks or until infiltrate disappears (at least 8 weeks in immunocompromised patients)
- Oral/maintenance therapy (after infiltrate clears): Ciprofloxacin 750 mg PO twice daily OR Erythromycin 500 mg PO four times a day
- Alternative regimen: Azithromycin OR TMP-SMX OR Chloramphenicol OR Clindamycin
- NOTE: Avoid Penicillins/Cephalosporins due to development of resistance; Linezolid effective in vitro, but no clinical reports of use
Bacteria – Gram-Negative Cocci and Coccobacilli
- Aggregatibacter aphrophilus
- Bordetella pertussis
- Brucella
- Eikenella corrodens
- Haemophilus ducreyi
- Haemophilus influenzae
- Neisseria gonorrhoeae
- Neisseria meningitidis
- Moraxella catarrhalis
- Pasteurella multocida
Bacteria – Spirochetes
Bacteria – Gram-Negative Bacilli
- Enteric flora
- Non-fermenters
- Capnocytophaga
- Francisella tularensis
- Helicobacter pylori
- Legionella
- Plesiomonas shigelloides
- Pseudomonas aeruginosa
- Vibrio
Bacteria – Atypical Organisms
- Pneumonia[23]
- Adult
- Preferred regimen (1): Doxycycline 100 mg PO bid for 14-21 days
- Preferred regimen (2): Tetracycline 250 mg PO qid for 14-21 days
- Preferred regimen (3): Azithromycin 500 mg PO for once a day followed by 250 mg/day for 4 days
- Preferred regimen (4): Clarithromycin 500 mg PO bid for 10 days
- Preferred regimen (5): Levofloxacin 500 mg IV or PO qd for 7 to 14 days
- Preferred regimen (6): Moxifloxacin 400 mg PO qd for 10 days.
- Pediatric
- Preferred regimen (1):Erythromycin suspension,PO 50 mg/kg per day for 10 to 14 days
- Preferred regimen (2):Clarithromycin suspension, 15 mg/kg per day for10 days
- Preferred regimen (3): Azithromycin suspension, PO 10 mg/kg once on the first day, followed by 5 mg/kg qd daily for 4 days
- Upper respiratory tract infection[24]
- Bronchitis
- Antibiotic therapy for C. pneumoniae is not required.
- Pharyngitis
- Antibiotic therapy for C. pneumoniae is not required.
- Sinusitis
- Antibiotic therapy is advisable if symptoms remain beyond 7-10 days.
- Pneumonia[25]
- Adult
- Preferred regimen : Doxycycline 100 mg PO bid daily OR Tetracycline 500 mg PO qid for 10-21 days
- Alternative regimen :Minocycline
- Pediatric
- Preferred regimen: Azithromycin
- Alternative regimen: fluoroquinolones
- Pregnant Patients
- Preferred regimen : Azithromycin
- Alternative regimen: fluoroquinolones
- Endocarditis in valve replacement patients
- Preferred regimen : Doxycycline
- Alternative regimen : fluoroquinolones.
Bacteria – Miscellaneous
- Gardnerella vaginalis
- Eikenella corrodens
- Bordetella pertussis
- Bartonella
- Stenotrophomonas maltophilia
- Acinetobacter baumannii
Bacteria – Anaerobic Gram-Negative Bacilli
Fungi
- Mild to moderate pulmonary blastomycosis
- Preferred regimen: Itraconazole 200 mg PO once or twice per day for 6–12 months
- Note: Oral Itraconazole, 200 mg 3 times per day for 3 days and then once or twice per day for 6–12 months, is recommended
- Moderately severe to severe pulmonary blastomycosis
- Preferred regimen(1): Lipid amphotericin B (Lipid AmB) 3–5 mg/kg per day for 1–2 weeks AND Itraconazole 200 mg PO bid for 6–12 months
- Preferred regimen(2): Amphotericin B deoxycholate 0.7–1 mg/kg per day for 1–2 weeks AND Itraconazole 200 mg PO bid for 6–12 months
- Note: Oral Itraconazole, 200 mg 3 times per day for 3 days and then 200 mg twice per day, for a total of 6–12 months, is recommended
- Mild to moderate disseminated blastomycosis
- Preferred regimen: Itraconazole 200 mg PO once or twice per day for 6–12 months
- Note(1): Treat osteoarticular disease for 12 months
- Note(2): Oral Itraconazole, 200 mg 3 times per day for 3 days and then 200 mg twice per day, for a total of 6–12 months, is recommended
- Moderately severe to severe disseminated blastomycosis
- Preferred regimen(1): Lipid amphotericin B(Lipid AmB) 3–5 mg/kg per day, for 1–2 weeks AND Itraconazole 200 mg PO bid for 6–12 months
- Preferred regimen(2): Amphotericin B deoxycholate 0.7–1 mg/kg per day, for 1–2 weeks AND Itraconazole 200 mg PO bid for 6–12 months
- Note: oral Itraconazole, 200 mg 3 times per day for 3 days and then 200 mg twice per day, for a total of 6–12 months, is recommended
- CNS disease
- Preferred regimen: Lipid amphotericin B (Lipid AmB) 5 mg/kg per day for 4–6 weeks AND an oral azole for at least 1 year
- Note(1): Step-down therapy can be with Fluconazole, 800 mg per day OR Itraconazole, 200 mg 2–3 times per day OR voriconazole, 200–400 mg twice per day.
- Note(2): Longer treatment may be required for immunosuppressed patients.
- Immunosuppressed patients
- Preferred regimen(1): Lipid amphotericin B (Lipid AmB), 3–5 mg/kg per day, for 1–2 weeks, AND Itraconazole, 200 mg PO bid for 12 months
- Preferred regimen(2): Amphotericin B deoxycholate, 0.7–1 mg/kg per day, for 1–2 weeks, AND Itraconazole, 200 mg PO bid for 12 months
- Note(1): Oral Itraconazole, 200 mg 3 times per day for 3 days and then 200 mg twice per day, for a total of 12 months, is recommended
- Note(2): Life-long suppressive treatment may be required if immunosuppression cannot be reversed.
- Pregnant women
- Preferred regimen: Lipid amphotericin B (Lipid AmB) 3–5 mg/kg per day
- Note(1): Azoles should be avoided because of possible teratogenicity
- Note(2): If the newborn shows evidence of infection, treatment is recommended with Amphotericin B deoxycholate, 1.0 mg/kg per day
- Children with mild to moderate disease
- Preferred regimen: Itraconazole 10 mg/kg PO per day for 6–12 months
- Note: Maximum dose 400 mg per day
- Children with moderately severe to severe disease
- Preferred regimen(1): Amphotericin B deoxycholate 0.7–1 mg/kg per day for 1–2 weeks AND Itraconazole 10 mg/kg PO per day to a maximum of 400 mg per day for 6–12 months
- Preferred regimen(2): Lipid amphotericin B (Lipid AmB) 3–5 mg/kg per day for 1–2 weeks AND Itraconazole 10 mg/kg PO per day to a maximum of 400 mg per day for 6–12 months
- Note: Children tolerate Amphotericin B deoxycholate better than adults do.
- Paracoccidioidomycosis
- Candidiasis
- Chromoblastomycosis
- Coccidioidomycosis
- Cryptococcosis
- Dermatophytosis
- Onychomycosis
- Preferred regimen(1): Griseofulvin 10-20 mg/kg/day for minimum 6 weeks
- Preferred regimen(2): Itraconazole 4-6 mg/kg pulsed dose weekly
- Preferred regimen(3): Terbinafine if <20 kg: 62.5 mg/day, if 20-40 kg: 125 mg/day, if >40 kg: 250 mg/day
- Small, well-defined lesions
- Preferred regimen: Topical cream/ointment Terbinafine OR Miconazole OR Econazole OR Clotrimazole
- Larger lesionss
- Preferred regimen: Terbinafine 250 mg/day PO for 2 weeks OR Itraconazole 200 mg/day PO for 1 wk OR Fluconazole 250 mg PO weekly for 2-4 weeks
- Athlete's foot
- Interdigital
- Preferred regimen: Topical cream/ointment Terbinafine OR Miconazole OR Econazole OR Clotrimazole
- “Dry type”
- Preferred regimen: Terbinafine 250 mg/day PO for 2-4 weeks OR Itraconazole 400 mg/day PO for 1 week per month (repeated if necessary) OR Fluconazole 200 mg PO weekly for 4-8 weeks
- Tinea cruris
- Tinea versicolor
- Histoplasmosis
- Mucormycosis
- Penicilliosis
- Sporotrichosis
- Pneumocystis jiroveci
Mycobacteria
- Mycobacterium tuberculosis
- Mycobacterium abscessus
- Mycobacterium bovis
- Mycobacterium avium-intracellulare
- Mycobacterium celatum
- Mycobacterium chelonae
- Mycobacterium foruitum
- Mycobacterium haemophilum
- Mycobacterium genavense
- Mycobacterium gordonae
- Mycobacterium kansasii
- Mycobacterium marinum
- Mycobacterium scrofulaceum
- Mycobacterium simiae
- Mycobacterium ulcerans
- Mycobacterium xenopi
- Mycobacterium leprae
Parasites – Intestinal Protozoa
- Balantidium coli
- Blastocystis hominis
- Cryptosporidium parvum
- Cryptosporidium hominis
- Cyclospora cayetanensis
- Dientamoeba fragilis
- Entamoeba histolytica
- Giardia lamblia
- Isospora belli
- Microsporidiosis
Parasites – Extraintestinal Protozoa
- Primary amoebic meningoencephalitis
- Acanthamoeba
- Balamuthia mandrillaris
- Naegleria fowleri
- Babesia microti
- Leishmaniasis
- Plasmodium
- Toxoplasma gondii
- Trichomonas vaginalis
- African trypanosomiasis
- American trypanosomiasis
Parasites – Intestinal Nematodes (Roundworms)
- Ascaris lumbricoides
- Capillaria philippinensis
- Enterobius vermicularis
- Necator americanus
- Ancylostoma duodenale
- Strongyloides stercoralis
- Trichuris trichiura
Parasites – Extraintestinal Nematodes (Roundworms)
- Ancylostoma braziliense
- Angiostrongylus cantonensis
- Filariasis
- Onchocerciasis
- Wuchereria bancrofti
- Brugia malayi
- Gnathostoma spinigerum
- Toxocariasis
- Trichinella spiralis
Parasites – Trematodes (Flukes)
- Clonorchis sinensis
- Dicrocoelium dendriticum
- Fasciola hepatica
- Paragonimus westermani
- Schistosomiasis
Parasites – Cestodes (Tapeworms)
Parasites – Ectoparasites
Viruses
- Adenovirus
- SARS
- Cytomegalovirus
- Enterovirus D68
- Ebola virus
- Marburg virus
- Hantavirus
- Dengue virus
- West Nile virus
- Yellow Fever
- Chikungunya virus
- Hepatitis A virus
- Hepatitis B virus
- Hepatitis C virus
- Hepatitis D virus
- Hepatitis E virus
- Epstein-Barr virus
- Human herpesvirus 6
- Human herpesvirus 7
- Human herpesvirus 8 (KSHV)
- Herpes simplex virus
- Varicella-zoster virus
- Human papillomavirus
- Influenza A
- Influenza B
- Avian influenza
- Swine influenza
- Measles
- Middle East respiratory syndrome
- Paramyxovirus
- Parvovirus B19
- BK virus
- JC virus
- Rabies
- Respiratory Syncytial Virus
- Rhinovirus
- Rotavirus
- Smallpox
- HIV/AIDS
References
- ↑ Mermel LA, Allon M, Bouza E, Craven DE, Flynn P, O'Grady NP; et al. (2009). "Clinical practice guidelines for the diagnosis and management of intravascular catheter-related infection: 2009 Update by the Infectious Diseases Society of America". Clin Infect Dis. 49 (1): 1–45. doi:10.1086/599376. PMC 4039170. PMID 19489710.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Liu, Catherine; Bayer, Arnold; Cosgrove, Sara E.; Daum, Robert S.; Fridkin, Scott K.; Gorwitz, Rachel J.; Kaplan, Sheldon L.; Karchmer, Adolf W.; Levine, Donald P.; Murray, Barbara E.; J Rybak, Michael; Talan, David A.; Chambers, Henry F.; Infectious Diseases Society of America (2011-02-01). "Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children". Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. 52 (3): –18-55. doi:10.1093/cid/ciq146. ISSN 1537-6591. PMID 21208910.
- ↑ Tunkel, Allan R.; Hartman, Barry J.; Kaplan, Sheldon L.; Kaufman, Bruce A.; Roos, Karen L.; Scheld, W. Michael; Whitley, Richard J. (2004-11-01). "Practice guidelines for the management of bacterial meningitis". Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. 39 (9): 1267–1284. doi:10.1086/425368. ISSN 1537-6591. PMID 15494903.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Kasper, Dennis (2015). Harrison's principles of internal medicine. New York: McGraw Hill Education. ISBN 978-0071802154.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Darouiche, Rabih O. (2006-11-09). "Spinal epidural abscess". The New England Journal of Medicine. 355 (19): 2012–2020. doi:10.1056/NEJMra055111. ISSN 1533-4406. PMID 17093252.
- ↑ Liu, Catherine; Bayer, Arnold; Cosgrove, Sara E.; Daum, Robert S.; Fridkin, Scott K.; Gorwitz, Rachel J.; Kaplan, Sheldon L.; Karchmer, Adolf W.; Levine, Donald P.; Murray, Barbara E.; J Rybak, Michael; Talan, David A.; Chambers, Henry F.; Infectious Diseases Society of America (2011-02-01). "Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children". Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. 52 (3): –18-55. doi:10.1093/cid/ciq146. ISSN 1537-6591. PMID 21208910.
- ↑ Liu, Catherine; Bayer, Arnold; Cosgrove, Sara E.; Daum, Robert S.; Fridkin, Scott K.; Gorwitz, Rachel J.; Kaplan, Sheldon L.; Karchmer, Adolf W.; Levine, Donald P.; Murray, Barbara E.; J Rybak, Michael; Talan, David A.; Chambers, Henry F.; Infectious Diseases Society of America (2011-02-01). "Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children". Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. 52 (3): –18-55. doi:10.1093/cid/ciq146. ISSN 1537-6591. PMID 21208910.
- ↑ Liu, Catherine; Bayer, Arnold; Cosgrove, Sara E.; Daum, Robert S.; Fridkin, Scott K.; Gorwitz, Rachel J.; Kaplan, Sheldon L.; Karchmer, Adolf W.; Levine, Donald P.; Murray, Barbara E.; J Rybak, Michael; Talan, David A.; Chambers, Henry F.; Infectious Diseases Society of America (2011-02-01). "Clinical practice guidelines by the infectious diseases society of america for the treatment of methicillin-resistant Staphylococcus aureus infections in adults and children". Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America. 52 (3): –18-55. doi:10.1093/cid/ciq146. ISSN 1537-6591. PMID 21208910.
- ↑ Azari, Amir A.; Barney, Neal P. (2013-10-23). "Conjunctivitis: a systematic review of diagnosis and treatment". JAMA. 310 (16): 1721–1729. doi:10.1001/jama.2013.280318. ISSN 1538-3598. PMC 4049531. PMID 24150468.
- ↑ 14.0 14.1 14.2 Solomkin JS, Mazuski JE, Bradley JS, Rodvold KA, Goldstein EJ, Baron EJ; et al. (2010). "Diagnosis and management of complicated intra-abdominal infection in adults and children: guidelines by the Surgical Infection Society and the Infectious Diseases Society of America". Clin Infect Dis. 50 (2): 133–64. doi:10.1086/649554. PMID 20034345.
- ↑ Mogayzel PJ, Naureckas ET, Robinson KA, Mueller G, Hadjiliadis D, Hoag JB; et al. (2013). "Cystic fibrosis pulmonary guidelines. Chronic medications for maintenance of lung health". Am J Respir Crit Care Med. 187 (7): 680–9. PMID 23540878.
- ↑ Pasteur MC, Bilton D, Hill AT, British Thoracic Society Bronchiectasis non-CF Guideline Group (2010). "British Thoracic Society guideline for non-CF bronchiectasis". Thorax. 65 Suppl 1: i1–58. doi:10.1136/thx.2010.136119. PMID 20627931.
- ↑ Stevens DL, Bisno AL, Chambers HF, Dellinger EP, Goldstein EJ, Gorbach SL; et al. (2014). "Practice guidelines for the diagnosis and management of skin and soft tissue infections: 2014 update by the infectious diseases society of America". Clin Infect Dis. 59 (2): 147–59. doi:10.1093/cid/ciu296. PMID 24947530.
- ↑ Lappin E, Ferguson AJ (2009). "Gram-positive toxic shock syndromes". Lancet Infect Dis. 9 (5): 281–90. doi:10.1016/S1473-3099(09)70066-0. PMID 19393958.
- ↑ Hillis LD, Smith PK, Anderson JL, Bittl JA, Bridges CR, Byrne JG; et al. (2011). "2011 ACCF/AHA Guideline for Coronary Artery Bypass Graft Surgery. A report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. Developed in collaboration with the American Association for Thoracic Surgery, Society of Cardiovascular Anesthesiologists, and Society of Thoracic Surgeons". J Am Coll Cardiol. 58 (24): e123–210. doi:10.1016/j.jacc.2011.08.009. PMID 22070836.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
- ↑ Bartlett, John (2012). Johns Hopkins ABX guide : diagnosis and treatment of infectious diseases. Burlington, MA: Jones and Bartlett Learning. ISBN 978-1449625580.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.
- ↑ Bennett, John (2015). Mandell, Douglas, and Bennett's principles and practice of infectious diseases. Philadelphia, PA: Elsevier/Saunders. ISBN 978-1455748013.