Cephalexin detailed information: Difference between revisions
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'''Cefalexin''' ([[International Nonproprietary Name|INN]]) ({{pronEng|sɛfəˈlɛksɨn/, /kɛfə-}}) or '''cephalexin''' ([[United States Adopted Name|USAN]]) is a first-generation [[cephalosporin]] [[antibiotic]]. It is an orally administered agent with a similar antimicrobial spectrum to the intravenous agents [[cefalotin]] and [[cefazolin]]. It is commonly marketed under the trade name '''Keflex''' ([[Eli Lilly and Company|Lilly]]) or '''Sporidex''' ([[Ranbaxy Laboratories|Ranbaxy]]). | '''Cefalexin''' ([[International Nonproprietary Name|INN]]) ({{pronEng|sɛfəˈlɛksɨn/, /kɛfə-}}) or '''cephalexin''' ([[United States Adopted Name|USAN]]) is a first-generation [[cephalosporin]] [[antibiotic]]. It is an orally administered agent with a similar antimicrobial spectrum to the intravenous agents [[cefalotin]] and [[cefazolin]]. It is commonly marketed under the trade name '''Keflex''' ([[Eli Lilly and Company|Lilly]]) or '''Sporidex''' ([[Ranbaxy Laboratories|Ranbaxy]]). | ||
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Latest revision as of 23:39, 8 August 2012
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| Clinical data | |
|---|---|
| Pregnancy category | |
| Routes of administration | Oral |
| ATC code | |
| Legal status | |
| Legal status | |
| Pharmacokinetic data | |
| Bioavailability | Well absorbed |
| Metabolism | 90% excreted unchanged |
| Elimination half-life | 0.9 hours |
| Excretion | Renal |
| Identifiers | |
| |
| CAS Number | |
| PubChem CID | |
| DrugBank | |
| E number | {{#property:P628}} |
| ECHA InfoCard | {{#property:P2566}}Lua error in Module:EditAtWikidata at line 36: attempt to index field 'wikibase' (a nil value). |
| Chemical and physical data | |
| Formula | C16H17N3O4S |
| Molar mass | 347.39 g/mol |
Cefalexin (INN) (Template:PronEng) or cephalexin (USAN) is a first-generation cephalosporin antibiotic. It is an orally administered agent with a similar antimicrobial spectrum to the intravenous agents cefalotin and cefazolin. It is commonly marketed under the trade name Keflex (Lilly) or Sporidex (Ranbaxy).
Clinical use
Indications
Cefalexin is used to treat urinary tract infections, respiratory tract infections (including sinusitis, otitis media, pharyngitis, tonsillitis and pneumonia, bronchitis), skin and soft tissue infections.
Although it is not generally considered first-line treatment for any indication, it is a useful alternative to penicillins in patients with penicillin hypersensitivity. There is, however, cross-reactivity in 10% of patients with hypersensitivity to penicillins and carbapenems.
Formulations
Cefalexin is commonly marketed as tablets(250 mg and 500 mg), capsules, and powder for oral suspension (125 mg and 250 mg).
It is marketed by generic pharmaceutical manufacturers under a wide range of brand names, including: Apo-Cephalex, Biocef, Cefanox, Ceporex, Cephabos, Cilex, Ialex, Ibilex, Kefexin, Keflet, Keflex, Keforal, Keftab, Keftal, Lopilexin, Novo-Lexin, Ospexin, Zephalexin, Panixine Disperdose and Sporidex.
A version of Keflex 750 mg capsules is marketed for twice-daily dosage, to improve patients' compliance. However, it is not a sustained release formulation, and since it is more expensive than the older strengths, some physicians prescribe three 250 mg capsules to be taken twice daily, as a cheaper alternative.
External links
- MedlinePlus Drug Information: Cephalosporins (systemic) – information from USP DI Advice for the Patient
- FDA Drug Information PDF and Pharmacy Drug Information Insert.
- Pages with script errors
- E number from Wikidata
- ECHA InfoCard ID from Wikidata
- Chemical articles with unknown parameter in Infobox drug
- Articles without EBI source
- Chemical pages without ChemSpiderID
- Articles without KEGG source
- Articles without InChI source
- Articles without UNII source
- Articles containing unverified chemical infoboxes
- Cephalosporin antibiotics
- Eli Lilly and Company