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{{Fever}}
{{Fever}}
{{CMG}};{{AE}} {{CZ}}; {{MUT}}
{{CMG}};{{AE}} {{CZ}}; {{MUT}}; {{Ochuko}}


{{SK}} Pyrexia; febrile response
{{SK}} Pyrexia; febrile response


==[[Fever overview|Overview]]==


==[[Fever measurement of body temperature in fever|Measurement of Body Temperature in Fever]]==


==[[Fever variations in body temperature|Variations in Body Temperature]]==


==Common Causes==
==[[Fever pathophysiology|Pathophysiology]]==
Fever is a common symptom of many medical conditions:
* [[Infectious disease]], e.g. [[influenza]], [[common cold]], [[HIV]], [[malaria]], [[infectious mononucleosis]], or [[gastroenteritis]].
* Various skin [[inflammation]]s, e.g. [[boils]], [[pimples]], [[acne]], or [[abscess]].
* [[Immunology|Immunological]] diseases, e.g. [[lupus erythematosus]], [[sarcoidosis]], [[inflammatory bowel disease]]s.
* Tissue destruction, which can occur in [[hemolysis]], [[surgery]], [[infarction]], [[crush syndrome]], [[rhabdomyolysis]], [[cerebral hemorrhage]], etc.
* [[Drug fever]]
** Directly caused by the drug, e.g. [[lamictal]], [[progesterone]], or [[chemotherapeutics]] causing [[tumor]] [[necrosis]].
** As an adverse reaction to drugs, e.g. [[antibiotic]]s or [[Sulfonamide (medicine)|sulfa drug]]s.
** After drug discontinuation, e.g. [[heroin]] withdrawal.
* [[Cancer]]s, e.g. [[Hodgkin disease]].
* [[Metabolic disorder]]s, e.g. [[gout]] or [[porphyria]].
* Thrombo-embolic processes, e.g. [[pulmonary embolism]] or [[deep venous thrombosis]].


Persistent fever which cannot be explained after repeated routine clinical inquiries, is called [[fever of unknown origin]].
==[[Fever classification|Classification]]==


==Complete Differential Diagnosis of the Causes of Fever==
[[fever of unknown origin|Fever of unknown origin]]


In Alphabetical Order. <ref>Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:77 ISBN 1591032016</ref> <ref>Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:68 ISBN 140510368X</ref>
==[[Fever causes|Causes]]==
{{Multicol}}
===Drug Side Effect===
*[[2,4-Dinitrophenol]]
{{Columns-list|3|
*[[Abacavir ]]
*[[Abatacept  ]]
*[[Abrin]]
*[[Acetazolamide  ]]
*[[Acetohexamide ]]
*[[Acute Chest Syndrome]]
*[[Acute Disseminated Encephalomyelitis]]
*[[Acute lymphoblastic leukemia]]
*[[Acute myeloid leukemia]]
*[[Acute posterior multifocal placoid pigment epitheliopathy]]
*[[Acyclovir ]]
*[[Adalimumab  ]]
*[[Adenoviridae]]
*[[Adiposis dolorosa]]
*[[Adjustable gastric band]]
*[[Adrenal hemorrhage]]
*[[African Hemmorhagic Fever]]
*[[African horse sickness]]
*[[African swine fever virus]]
*[[African Trypanosomiasis]]
*[[Albuterol ]]
*[[Aldesleukin ]]
*[[Alefacept  ]]
*[[Alemtuzumab]]
*[[Alendronate ]]
*[[Alfuzosin ]]
*[[Alglucerase  ]]
*[[Alkhurma virus]]
*[[Allergic bronchopulmonary aspergillosis]]
*[[Allopurinol]]
*[[Alphavirus]]
*[[Altretamine ]]
*[[Alveolitis]]
*[[Aminopterin]]
*[[Amitriptyline ]]
*[[Amobarbital]]
*[[Amphotericin B]]
*[[Anagrelide ]]
*[[Anakinra ]]
*[[Anal abscess]]
*[[Anastrozole ]]
*[[Ancrod]]
*[[Anisindione ]]
*[[Anthrax]]
*[[Aphthovirus]]
*[[Appendicitis]]
*[[Arbovirus]]
*[[Arenavirus]]
*[[Aripiprazole ]]
*[[Arterivirus]]
*[[Asparaginase ]]
*[[Aspergillosis]]
*[[Astroviridae]]
*[[Atazanavir ]]
*[[Atelectasis]]
*[[Atorvastatin ]]
*[[Atovaquone ]]
*[[Atropine Ophthalmic ]]
*[[Auranofin ]]
*[[Babanki virus]]
*[[Babesiosis]]
*[[Bacillary angiomatosis]]
*[[Bacillus Calmette-Guerin (BCG) Vaccine ]]
*[[Bacterial pneumonia]]
*[[Bartonellosis]]
*[[Benazepril ]]
*[[Benztropine Mesylate  ]]
*[[Bepridil ]]
*[[Bevacizumab  ]]
*[[Bezold's abscess]]
*[[Bisphosphonate]]
*[[BK virus]]
*[[Blackwater fever]]
*[[Blastomycosis]]
*[[Bleomycin]]
*[[Blood transfusion]]
*[[Blue diaper syndrome]]
*[[Bordetella pertussis]]
*[[Bornholm disease]]
*[[Borrelia]]
*[[Bortezomib ]]
*[[Boutonneuse fever]]
*[[Brain Abscess]]
*[[Brinzolamide Ophthalmic ]]
*[[Bronchitis]]
*[[Brucellosis]]
*[[Bubonic plague]]
*[[Bumetanide ]]
*[[Burkitt lymphoma]]
*[[Buruli ulcer]]
*[[Busulfan ]]
*[[Butabarbital ]]
*[[Butoconazole Vaginal Cream ]]
*[[Bwamba Fever]]
*[[Cabin fever]]
*[[Cadmium poisoning]]
*[[Caecitis]]
*[[Calcitriol ]]
*[[Campylobacter jejuni]]
*[[Candesartan ]]
*[[Capecitabine ]]
*[[Captopril ]]
*[[Carboplatin ]]
*[[Carbuncle]]
*[[Carisoprodol ]]
*[[Carmustine ]]
*[[Caroli's Disease]]
*[[Carteolol ]]
*[[Caspofungin]]
*[[Cat scratch fever]]
*[[Cefaclor]]
*[[Cellulitis]]
*[[Cephalosporin]]
*[[Cetuximab  ]]
*[[Chagas disease]]
{{ColBreak}}
*[[Chickenpox]]
*[[Childbirth]]
*[[Chlamydia]]
*[[Chlamydophila pneumoniae]]
*[[Chlorambucil ]]
*[[Chlordiazepoxide ]]
*[[Chlorothiazide ]]
*[[Chlorthalidone ]]
*[[Cholangitis]]
*[[Cholecystitis]]
*[[Cholesterol Emboli Syndrome]]
*[[Chronic myelogenous leukemia]]
*[[Churg-Strauss Syndrome]]
*[[Ciclosporin]]
*[[Cidofovir  ]]
*[[Cladribine ]]
*[[Clofarabine]]
*[[Clonazepam ]]
*[[Clorazepate ]]
*[[Clostridium Difficile]]
*[[Clotrimazole ]]
*[[CMV ]]
*[[Cocaine]]
*[[Coccidioidomycosis]]
*[[Cogan syndrome]]
*[[Colchicine]]
*[[Coley's Toxins]]
*[[Colistimethate  ]]
*[[Colitis]]
*[[Colorado tick fever virus]]
*[[Community-acquired pneumonia]]
*[[Congenital syphilis]]
*[[Co-trimoxazole  ]]
*[[Cotton fever]]
*[[Coxiella burnetii infection]]
*[[Coxsackie A virus]]
*[[Craniopharyngioma]]
*[[Crimean Congo Hemorrhagic Fever]]
*[[Crohn's disease]]
*[[Croup]]
*[[Cryptosporidiosis]]
*[[Cyanocobalamin  ]]
*[[Cyclobenzaprine ]]
*[[Cyclosporiasis]]
*[[Cystic Fibrosis]]
*Cystitis, infective
*[[Cytarabine ]]
*[[Cytokine release syndrome]]
*[[Dacarbazine ]]
*[[Dacryocystitis]]
*[[Dactinomycin ]]
*[[Dalteparin Sodium  ]]
*[[Dapsone]]
*[[Daptomycin]]
*[[Darbepoetin alfa]]
*[[Darunavir ]]
*[[Daunorubicin ]]
*[[De Quervain's thyroiditis]]
*[[Deferasirox ]]
*[[Delavirdine ]]
*[[Dengue Fever]]
*[[Desipramine ]]
*[[Dextroamphetamine and Amphetamine ]]
*[[Dextromethorphan]]
*[[Diabetes insipidus]]
*[[Diazepam ]]
*[[Diclofenac]]
*[[Didanosine ]]
*[[Dientamoebiasis]]
*[[Diethylpropion ]]
*[[Diflunisal ]]
*[[Diltiazem ]]
*[[Dimercaprol]]
*[[Dinoprostone]]
*[[Diphtheria]]
*[[Disopyramide ]]
*[[Disseminated Intravascular Coagulation]]
*[[Diverticulitis]]
*[[Dobutamine ]]
*[[Dolasetron ]]
*[[Donepezil ]]
*[[Doxorubicin ]]
*[[Dressler's syndrome]]
*[[Ebola haemorrhagic fever]]
*[[Echovirus]]
*[[Efalizumab  ]]
*[[Efavirenz ]]
*[[Empyema]]
*[[Emtricitabine ]]
*[[Enalapril ]]
*[[Enfuvirtide]]
*[[Enoxaparin  ]]
*[[Entacapone ]]
*[[Enterotoxigenic Escherichia coli]]
*[[Epiglottitis]]
*[[Epinastine Ophthalmic ]]
*[[Epoetin Alfa  ]]
*[[Epstein-Barr virus]]
*[[Erlotinib ]]
*[[Estazolam ]]
*[[Estradiol Topical ]]
*[[Etanercept  ]]
*[[Ethchlorvynol]]
*[[Ethosuximide  ]]
*[[Etidronate ]]
*[[Etodolac ]]
*[[Etoposide]]
*[[Exopthalmos]]
*[[Ezetimibe ]]
*[[Fabry's Disease]]
*[[Famciclovir]]
*[[Familial Mediterranian Fever]]
*[[Fasciolopsiasis]]
*[[Fasciolosis]]
{{ColBreak}}
*[[Fat Embolism Syndrome]]
*[[Fenoprofen ]]
*[[Fetal alcohol syndrome]]
*[[Filgrastim ]]
*[[Filoviridae]]
*[[Fipexide]]
*[[Flavivirus]]
*[[Flavoxate ]]
*[[Floxuridine ]]
*[[Flucytosine]]
*[[Fludarabine Phosphate ]]
*[[Fluorouracil ]]
*[[Fluphenazine ]]
*[[Fluticasone and Salmeterol  Inhalation ]]
*[[Fluvastatin ]]
*[[Fluvoxamine]]
*[[Fosamprenavir ]]
*[[Foscarnet Sodium  ]]
*[[Fosinopril ]]
*[[Free-living amebic infection]]
*[[Furosemide ]]
*[[Furunculosis]]
*[[Fusarium]]
*[[Gabapentin ]]
*[[Gallbladder empyema]]
*[[Ganciclovir ]]
*[[Gastritis]]
*[[Gastroenteritis]]
*[[Gastrointestinal perforation]]
*[[Gatifloxacin ]]
*[[Gefitinib ]]
*[[Gemcitabine Hydrochloride ]]
*[[Giardiasis]]
*[[Glatiramer acetate]]
*[[Glipizide ]]
*[[Glyburide ]]
*[[Gonorrhea]]
*[[Goserelin ]]
*[[Gout]]
*[[Gradenigo's syndrome]]
*[[Granisetron ]]
*[[Grifulvin V]]
*[[Group A streptococcal infection]]
*[[Guanethidine ]]
*[[Haemophilus influenzae serotype B infection]]
*[[Haloperidol]]
*[[Hamman-Rich Syndrome]]
*Hand-foot-mouth syndrome
*[[Hantavirus Pulmonary Syndrome]]
*[[Haverhill fever]]
*[[Hay fever]]
*[[Hemophagocytic lymphohistiocytosis]]
*[[Heparin  ]]
*[[Hepatitis A]]
*[[Hepatitis B]]
*[[Hepatitis E]]
*[[Hepato-biliary diseases]]
*[[Heroin withdrawl]]
*[[Herpangina]]
*[[Herpes zoster]]
*[[Herpesviridae]]
*[[Herxheimer reaction]]
*[[Hidradenitis suppurativa]]
*[[Histrelin  ]]
*[[HIV/AIDS]]
*[[Hodgkin's lymphoma]]
*[[Hookworm]]
*Human monocytotropic ehrlichiosis
*[[Hydralazine ]]
*[[Hydrochlorothiazide ]]
*[[Hyperimmunoglobulinemia D with recurrent fever]]
*[[Ibandronate ]]
*[[Idarubicin ]]
*Idiopathic pulmonary haemosiderosis
*[[Ifosfamide ]]
*[[Ileitis]]
*[[Imatinib ]]
*[[Imiglucerase  ]]
*[[Imiquimod ]]
*[[Immune Globulin Intravenous  ]]
*[[Immune reconstitution inflammatory syndrome]]
*Impetigo herpetiformis
*[[Indomethacin ]]
*[[Infectious mononucleosis]]
*[[Infective Endocarditis]]
*[[Influenza virus ]]
*[[Interstitial nephritis]]
*  Intra-abdominal abscess
*[[Ipratropium and Albuterol Inhalation ]]
*[[Ischemic colitis]]
*[[Isocarboxazid ]]
*[[Itraconazole ]]
*[[Juvenile Myelomonocytic Leukemia (JMML)]]
*[[Kaposi's sarcoma]]
*[[Kawasaki disease]]
*[[Kikuchi disease]]
*[[Krabbe disease]]
*[[La Crosse encephalitis]]
*[[Lamivudine ]]
*[[Langerhans cell histiocytosis]]
*[[Laryngitis]]
*[[Lassa Fever]]
*[[Legionellosis]]
*[[Leishmaniasis]]
*[[Lemierre's Syndrome]]
*[[Leptospirosis]]
{{ColBreak}}
*[[Levalbuterol  Inhalation ]]
*[[Levetiracetam ]]
*[[Levomepromazine]]
*[[Linezolid]]
*[[Liothyronine ]]
*[[Lisinopril ]]
*[[Listeriosis]]
*[[Lithraea molleoides]]
*[[Lorazepam ]]
*[[Lovastatin ]]
*[[Loxapine  ]]
*[[Ludwig's angina]]
*[[Lung abscess]]
*[[Lung cancer]]
*[[Lupoid hepatitis]]
*[[Lyme disease]]
*[[Lymphocytopenia]]
*[[Lymphogranuloma venereum]]
*Macrophage activation syndrome
*Malakoplakia
*[[Malaria]]
*[[Malignant hyperthermia]]
*[[Marburg hemorrhagic fever]]
*[[Mastitis]]
*[[Mastocytosis]]
*[[Mastoiditis]]
*[[Measles]]
*[[Mechlorethamine ]]
*[[Meclofenamate ]]
*[[Mediastinitis]]
*[[Mefenamic acid]]
*[[Melarsoprol]]
*[[Melioidosis]]
*[[Melphalan ]]
*[[Meningitis]]
*[[Meprobamate ]]
*[[Mercaptopurine]]
*[[Mesothelioma]]
*[[Metal fume fever]]
*[[Methadone withdrawl]]
*[[Methimazole ]]
*[[Methocarbamol  ]]
*[[Methotrexate ]]
*[[Methsuximide  ]]
*[[Methyclothiazide ]]
*[[Methyldopa and Hydrochlorothiazide ]]
*[[Methylphenidate]]
*[[Metolazone ]]
*[[Metoprolol]]
*[[Metronidazole]]
*Micafungin
*[[Miconazole ]]
*[[Mifepristone]]
*[[Miliary tuberculosis]]
*[[Minocycline]]
*[[Mitomycin ]]
*[[Modafinil ]]
*[[Moexipril ]]
*[[Moricizine ]]
*[[Moxifloxacin ophthalmic ]]
*[[Muckle-Wells syndrome]]
*[[Mumps]]
*[[Murray Valley encephalitis virus]]
*[[Mycobacterium avium complex]]
*[[Mycophenolate ]]
*[[Mycoplasma pneumoniae]]
*[[Myxoma]]
*[[Nabumetone ]]
*[[Naegleria infection]]
*[[Nafcillin Sodium  ]]
*[[Nalmefene]]
*[[Natalizumab  ]]
*[[Necrotizing fasciitis]]
*[[Nefazodone ]]
*[[Nephroblastoma]]
*[[Neuroleptic malignant syndrome]]
*[[Neutropenia]]
*[[Nevirapine ]]
*[[Nilutamide ]]
*[[Nitrofurantoin ]]
*[[Nocardiosis]]
*[[Noma (disease)]]
*[[Norovirus infection]]
*[[Nortriptyline ]]
*  Occult abscess
*[[Olanzapine ]]
*[[Omphalitis]]
*[[Omsk hemorrhagic fever]]
*[[Ondansetron  ]]
*[[O'nyong'nyong virus]]
*[[Opisthorchis infection]]
*[[Oprelvekin]]
*[[Orbital cellulitis]]
*[[Oropouche virus]]
*[[Oseltamivir ]]
*[[Otitis media]]
*[[Oxacillin Sodium  ]]
*[[Oxaliplatin  ]]
*[[Oxamniquine]]
*[[Oxazepam ]]
*[[Oxcarbazepine ]]
*[[Oxybutynin ]]
*[[Oxycodone and aspirin ]]
*[[Paclitaxel]]
*[[Palifermin ]]
*[[Paliperidone ]]
*[[Pamidronate  ]]
*[[Pancreatitis]]
*[[Paracoccidioidomycosis]]
*[[Paragonimus Infection]]
*[[Paratyphoid fever]]
*[[Pegaspargase ]]
*[[Peginterferon alfa-2a ]]
*[[Pel-Ebstein fever]]
*[[Pelvic inflammatory disease]]
*[[Pemetrexed  ]]
*[[Penicilliosis]]
*Penicillamine
*[[Pentetic acid]]
{{ColBreak}}
*[[Pentostatin ]]
*Peplomycin
*[[Perianal abscess]]
*[[Pericoronitis]]
*[[Perindopril ]]
*[[Peritonitis]]
*[[Peritonsillar abscess]]
*Puerperal pyrexia
*[[Pharyngitis]]
*[[Pharyngoconjunctival fever]]
*[[Phenazopyridine ]]
*[[Phenelzine ]]
*[[Phenobarbital ]]
*[[Phentermine]]
*[[Phenytoin  ]]
*[[Pimecrolimus topical ]]
*[[Pimozide ]]
*[[Pindolol ]]
*[[Piroxicam ]]
*[[Pityriasis rosea]]
*[[Pleurisy]]
*[[Plicamycin ]]
*[[Pneumocystis jirovecii pneumonia]]
*[[POEMS syndrome]]
*[[Poliomyelitis]]
*[[Polyarteritis nodosa]]
*[[Polytetrafluoroethylene]]
*[[Pontiac fever]]
*[[Posaconazole ]]
*[[Pravastatin ]]
*[[Prazepam ]]
*[[Praziquantel]]
*[[Prazosin and polythiazide ]]
*[[Pregabalin ]]
*[[Primaquine ]]
*[[Primidone ]]
*[[Procainamide]]
*[[Procarbazine ]]
*[[Prochlorperazine ]]
*[[Procyclidine ]]
*[[Propafenone ]]
*[[Propiomazine]]
*[[Propylthiouracil ]]
*[[Prostatitis]]
*[[Protriptyline ]]
*[[Pseudomembranous colitis/C.difficile]]
*[[Psittacosis]]
*[[Pulmonary alveolar proteinosis]]
*[[Pyelonephritis]]
*[[Pyrazinamide]]
*[[Pyrexia of unknown origin]]
*[[Q fever]]
*[[Quetiapine ]]
*[[Quinapril ]]
*[[Rabies vaccine ]]
*[[Ramipril ]]
*[[Ranitidine bismuth citrate ]]
*[[Rasagiline ]]
*[[Rat-bite fever]]
*[[Reactive Polyarticular Arthritis]]
*[[Renal Cell Carcinoma]]
*[[Retinoic acid syndrome]]
*[[Rheumatic fever]]
*[[Rheumatoid arthritis]]
*[[Rhinovirus]]
*[[Ribavirin ]]
*[[Rickettsial infections]]
*[[Rifampicin]]
*[[Rift Valley fever virus]]
*[[Riluzole ]]
*[[Risedronate ]]
*[[Risperidone ]]
*[[Rituximab  ]]
*[[Rocky Mountain Spotted Fever]]
*[[Roseola]]
*[[Ross River Fever]]
*[[Rosuvastatin ]]
*[[Rotavirus]]
*[[Rubella]]
*[[Salmonella enteritidis]]
*[[Salmonella typhi infection/ Typhoid fever]]
*[[Salsalate ]]
*[[Saquinavir ]]
*[[Sarcoidosis]]
*[[Sargramostim  ]]
*[[Scarlet fever]]
*[[Schistosomiasis]]
*[[Scopolamine]]
*[[Scrofula]]
*[[Secobarbital ]]
*[[Selegiline ]]
*Sennetsu fever
*[[Sepsis]]
*[[Septic arthritis]]
*[[Serotonin syndrome]]
*[[Serum sickness]]
*[[Severe acute respiratory syndrome]]
*[[Shigellosis]]
*[[Sibutramine]]
*[[Sickle-cell disease]]
*[[Silicosis]]
*[[Silver sulfadiazine ]]
*[[Simvastatin ]]
*[[Sindbis virus]]
*[[Sinusitis]]
*[[Sirolimus ]]
*[[Sleeping sickness]]
*[[Smallpox]]
*[[Sodium oxybate ]]
*[[Solanine]]
*[[Solifenacin ]]
*[[Spironolactone ]]
*[[Spotted Fever]]
*Staphylococcal toxic shock syndrome
*[[Staphylococcal enteritis]]
*[[Still's disease]]
*[[Stool softeners ]]
{{ColBreak}}
*[[Strep throat]]
*[[Streptococcus pyogenes]]
*[[Streptokinase]]
*[[Streptozocin ]]
*[[Strontium-89 chloride ]]
*Stuve-Wiedemann syndrome
*  Subacute thyroiditis
*[[Subdural hygroma]]
*Succimer
*[[Sulfadiazine ]]
*[[Sulfasalazine ]]
*[[Sulfinpyrazone ]]
*[[Sulfisoxazole ]]
*[[Sulindac ]]
*Sulprostone
*[[Sunitinib ]]
*[[Swine flu]]
*[[Synovial sarcoma]]
*[[Syphillis]]
*[[Systemic lupus erythematosus]]
*[[Takayasu's Arteritis]]
*[[Tamoxifen ]]
*[[Tamsulosin ]]
*[[Tanapox]]
*[[Temazepam ]]
*[[Temozolomide ]]
*[[Temporal arteritis]]
*[[Teniposide ]]
*[[Terbinafine ]]
*[[Teriparatide (rDNA origin)  ]]
*[[Testosterone Transdermal ]]
*[[Thiabendazole]]
*[[Thioamide]]
*[[Thioguanine ]]
*[[Thiotepa ]]
*[[Thrombophlebitis]]
*[[Thyroid Medication ]]
*[[Ticarcillin Disodium  ]]
*[[Ticlopidine ]]
*[[Tiludronate ]]
*[[Tiotropium  Inhalation ]]
*[[Tipranavir ]]
*[[Tirofiban]]
*[[Tocainide ]]
*[[Tolazamide ]]
*[[Tolbutamide ]]
*[[Tolosa-Hunt syndrome]]
*[[Topotecan Hydrochloride ]]
*[[TORCH infections]]
*[[Toxic epidermal necrolysis]]
*[[Toxic megacolon]]
*[[Toxic Shock Syndrome]]
*[[Toxocara infection]]
*[[Tracheitis]]
*[[Trandolapril ]]
*[[Transfusion reaction]]
*[[Transfusion-associated graft versus host disease]]
*[[Tranylcypromine ]]
*[[Trastuzumab ]]
*[[Traveler's diarrhea]]
*[[Trazodone ]]
*[[Trench Fever]]
*[[Triamterene]]
*[[Triazolam ]]
*[[Trichinosis]]
*[[Trichothecene]]
*[[Trihexyphenidyl ]]
*[[Trimethadione ]]
*[[Trimetrexate Glucuronate ]]
*[[Trimipramine ]]
*[[Troleandomycin ]]
*Tropical pulmonary eosinophilia
*[[Tuberculosis]]
*[[Tularemia]]
*[[Ulcerative colitis]]
*Urate crystal arthropathy
*[[Urinary tract infection]]
*[[Valacyclovir ]]
*[[Valganciclovir ]]
*[[Valproate semisodium]]
*[[Valproic Acid ]]
*[[Varicella (Chickenpox) Vaccine ]]
*[[Varicella-zoster virus]]
*[[Vasculitis]]
*[[Verapamil ]]
*[[Vibrio parahaemolyticus]]
*[[Vibrio vulnificus]]
*[[Vinblastine ]]
*[[Vinorelbine Tartrate ]]
*[[Viral Hepatitis A]]
*[[Viral Hepatitis C]]
*[[Viral infections]]
*[[Visceral leishmaniasis]]
*[[Vitamin A]]
*[[Voriconazole]]
*[[Vorinostat ]]
*[[Weber-Christian disease]]
*[[Wegener Granulomatosis]]
*[[West Nile Virus]]
*[[Whipple's disease]]
*[[Yellow Fever Vaccine ]]
*[[Yellow Fever Virus]]
*[[Yersinia enterocolitica Infection (Yersiniosis)]]
*[[Yersinia Pestis Infection]]
*[[Yersinia pseudotuberculosis]]
*[[Zalcitabine ]]
*[[Zika fever]]
*[[Zinc oxide]]
*[[Ziprasidone ]]
*[[Zoledronate]]
*[[Zonisamide ]]
{{EndMultiCol}}


*[[Aldesleukin]]
*[[Artemether/lumefantrine]]
*[[Blinatumomab]]
*[[Clobazam]]
*[[Dexrazoxane]]
*[[Ecallantide]]
*[[Eltrombopag]]
*[[Elosulfase alfa]]
*[[Idursulfase]]
*[[Micafungin sodium]]
*[[Polidocanol]]
*[[Teniposide]]
}}


===Complete Differential Diagnosis of the Causes of Fever===
==[[Fever usefulness of fever|Usefulness of Fever]]==
(By Organ System)
{|style="width:80%; height:100px" border="1"
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" | '''Cardiovascular'''
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" |
[[Vasculitis]],
[[Infective Endocarditis]],
[[Dressler's syndrome]],
[[Cholesterol Emboli Syndrome]],


==Diagnosis==


|-
[[Fever history and symptoms|History and Symptoms]] | [[Fever physical examination|Physical Examination]] | [[Fever laboratory findings|Laboratory Findings]]
|-bgcolor="LightSteelBlue"
| '''Chemical / poisoning'''
|bgcolor="Beige"|
[[2,4-Dinitrophenol]],
[[Abrin]],
[[Cadmium poisoning]],
[[Colchicine]],
[[Lithraea molleoides]],
 
 
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Dermatologic'''
|bgcolor="Beige"|
[[Weber-Christian disease]],
[[Toxic epidermal necrolysis]],
[[Scrofula]],
[[Necrotizing fasciitis]],
[[Furunculosis]],
[[Cellulitis]],
[[Carbuncle]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Drug Side Effect'''
|bgcolor="Beige"|
[[Abacavir ]],
[[Abatacept  ]],
[[Acetazolamide  ]],
[[Acetohexamide ]],
[[Acyclovir ]],
[[Adalimumab  ]],
[[Albuterol ]],
[[Aldesleukin ]],
[[Alefacept  ]],
[[Alemtuzumab]],
[[Alendronate ]],
[[Alfuzosin ]],
[[Alglucerase  ]],
[[Allopurinol]],
[[Altretamine ]],
[[Aminopterin]],
[[Amitriptyline ]],
[[Amobarbital]],
[[Amphotericin B]],
[[Anagrelide ]],
[[Anakinra ]],
[[Anastrozole ]],
[[Ancrod]],
[[Anisindione ]],
[[Aripiprazole ]],
[[Asparaginase ]],
[[Atazanavir ]],
[[Atorvastatin ]],
[[Atovaquone ]],
[[Atropine Ophthalmic ]],
[[Auranofin ]],
[[Benazepril ]],
[[Benztropine Mesylate  ]],
[[Bepridil ]],
[[Bevacizumab  ]],
[[Bisphosphonate]],
[[Bleomycin]],
[[Bortezomib ]],
[[Brinzolamide Ophthalmic ]],
[[Bumetanide ]],
[[Busulfan ]],
[[Butabarbital ]],
[[Butoconazole Vaginal Cream ]],
[[Calcitriol ]],
[[Candesartan ]],
[[Capecitabine ]],
[[Captopril ]],
[[Carboplatin ]],
[[Carisoprodol ]],
[[Carmustine ]],
[[Carteolol ]],
[[Caspofungin]],
[[Cefaclor]],
[[Cephalosporin]],
[[Cetuximab  ]],
[[Chlorambucil ]],
[[Chlordiazepoxide ]],
[[Chlorothiazide ]],
[[Chlorthalidone ]],
[[Ciclosporin]],
[[Cidofovir  ]],
[[Cladribine ]],
[[Clofarabine]],
[[Clonazepam ]],
[[Clorazepate ]],
[[Clotrimazole ]],
[[Cocaine]],
[[Colchicine]],
[[Colistimethate  ]],
[[Co-trimoxazole  ]],
[[Cyanocobalamin  ]],
[[Cyclobenzaprine ]],
[[Cytarabine ]],
[[Dacarbazine ]],
[[Dactinomycin ]],
[[Dalteparin Sodium  ]],
[[Dapsone]],
[[Daptomycin]],
[[Darbepoetin alfa]],
[[Darunavir ]],
[[Daunorubicin ]],
[[Deferasirox ]],
[[Delavirdine ]],
[[Desipramine ]],
[[Dextroamphetamine and Amphetamine ]],
[[Dextromethorphan]],
[[Diazepam ]],
[[Diclofenac]],
[[Diethylpropion ]],
[[Diflunisal ]],
[[Diltiazem ]],
[[Disopyramide ]],
[[Dobutamine ]],
[[Dolasetron ]],
[[Donepezil ]],
[[Doxorubicin ]],
[[Efalizumab  ]],
[[Efavirenz ]],
[[Emtricitabine ]],
[[Enalapril ]],
[[Enfuvirtide]],
[[Enoxaparin  ]],
[[Entacapone ]],
[[Epinastine Ophthalmic ]],
[[Epoetin Alfa  ]],
[[Erlotinib ]],
[[Estazolam ]],
[[Estradiol Topical ]],
[[Etanercept  ]],
[[Ethosuximide  ]],
[[Etidronate ]],
[[Etodolac ]],
[[Etoposide]],
[[Ezetimibe ]],
[[Famciclovir]],
[[Fenoprofen ]],
[[Fipexide]],
[[Filgrastim ]],
[[Flavoxate ]],
[[Floxuridine ]],
[[Flucytosine]],
[[Fludarabine Phosphate ]],
[[Fluorouracil ]],
[[Fluphenazine ]],
[[Fluticasone and Salmeterol  Inhalation ]],
[[Fluvastatin ]],
[[Fluvoxamine]],
[[Fosamprenavir ]],
[[Foscarnet Sodium  ]],
[[Fosinopril ]],
[[Furosemide ]],
[[Gabapentin ]],
[[Gatifloxacin ]],
[[Gefitinib ]],
[[Gemcitabine Hydrochloride ]],
[[Glatiramer acetate]],
[[Glipizide ]],
[[Glyburide ]],
[[Goserelin ]],
[[Granisetron ]],
[[Grifulvin V]],
[[Guanethidine ]],
[[Haloperidol]],
[[Heparin  ]],
[[Histrelin  ]],
[[Hydralazine ]],
[[Hydrochlorothiazide ]],
[[Ibandronate ]],
[[Idarubicin ]],
[[Ifosfamide ]],
[[Imatinib ]],
[[Imiglucerase  ]],
[[Imiquimod ]],
[[Immune Globulin Intravenous  ]],
[[Indomethacin ]],
[[Ipratropium and Albuterol Inhalation ]],
[[Isocarboxazid ]],
[[Itraconazole ]],
[[Lamivudine ]],
[[Levalbuterol  Inhalation ]],
[[Levetiracetam ]],
[[Levomepromazine]],
[[Linezolid]],
[[Liothyronine ]],
[[Lisinopril ]],
[[Lorazepam ]],
[[Lovastatin ]],
[[Loxapine  ]],
[[Mechlorethamine ]],
[[Meclofenamate ]],
[[Mefenamic acid]],
[[Melphalan ]],
[[Meprobamate ]],
[[Mercaptopurine]],
[[Methadone withdrawl]],
[[Methimazole ]],
[[Methocarbamol  ]],
[[Methsuximide  ]],
[[Methyclothiazide ]],
[[Methyldopa and Hydrochlorothiazide ]],
[[Methylphenidate]],
[[Metolazone ]],
[[Metoprolol]],
[[Metronidazole]],
[[Miconazole ]],
[[Mifepristone]],
[[Minocycline]],
[[Mitomycin ]],
[[Modafinil ]],
[[Moexipril ]],
[[Moricizine ]],
[[Moxifloxacin ophthalmic ]],
[[Nabumetone ]],
[[Nafcillin Sodium  ]],
[[Nalmefene]],
[[Natalizumab  ]],
[[Nefazodone ]],
[[Nilutamide ]],
[[Nitrofurantoin ]],
[[Nortriptyline ]],
[[Olanzapine ]],
[[Ondansetron  ]],
[[Oprelvekin]],
[[Oseltamivir ]],
[[Oxacillin Sodium  ]],
[[Oxaliplatin  ]],
[[Oxamniquine]],
[[Oxazepam ]],
[[Oxcarbazepine ]],
[[Paclitaxel]],
[[Palifermin ]],
[[Paliperidone ]],
[[Pamidronate  ]],
[[Pegaspargase ]],
[[Pemetrexed  ]],
[[Pentetic acid]],
[[Pentostatin ]],
[[Perindopril ]],
[[Phenazopyridine ]],
[[Phenobarbital ]],
[[Phenytoin  ]],
[[Pimecrolimus topical ]],
[[Pimozide ]],
[[Pindolol ]],
[[Piroxicam ]],
[[Plicamycin ]],
[[Posaconazole ]],
[[Pravastatin ]],
[[Prazepam ]],
[[Praziquantel]],
[[Prazosin and polythiazide ]],
[[Pregabalin ]],
[[Primaquine ]],
[[Primidone ]],
[[Procainamide]],
[[Procarbazine ]],
[[Prochlorperazine ]],
[[Procyclidine ]],
[[Propafenone ]],
[[Propiomazine]],
[[Propylthiouracil ]],
[[Protriptyline ]],
[[Pyrazinamide]],
[[Quetiapine ]],
[[Quinapril ]],
[[Ramipril ]],
[[Ranitidine bismuth citrate ]],
[[Rasagiline ]],
[[Ribavirin ]],
[[Rifampicin]],
[[Riluzole ]],
[[Risedronate ]],
[[Risperidone ]],
[[Rituximab  ]],
[[Rosuvastatin ]],
[[Salsalate ]],
[[Saquinavir ]],
[[Sargramostim  ]],
[[Scopolamine]],
[[Secobarbital ]],
[[Sibutramine]],
[[Silver sulfadiazine ]],
[[Simvastatin ]],
[[Sirolimus ]],
[[Sodium oxybate ]],
[[Solanine]],
[[Spironolactone ]],
[[Stool softeners ]],
[[Streptozocin ]],
[[Strontium-89 chloride ]],
[[Sulfadiazine ]],
[[Sulfasalazine ]],
[[Sulfinpyrazone ]],
[[Sulfisoxazole ]],
[[Sulindac ]],
[[Sunitinib ]],
[[Tamoxifen ]],
[[Tamsulosin ]],
[[Tanapox]],
[[Temazepam ]],
[[Temozolomide ]],
[[Teniposide ]],
[[Terbinafine ]],
[[Teriparatide (rDNA origin)  ]],
[[Testosterone Transdermal ]],
[[Thiabendazole]],
[[Thioamide]],
[[Thioguanine ]],
[[Thiotepa ]],
[[Thyroid Medication ]],
[[Ticarcillin Disodium  ]],
[[Ticlopidine ]],
[[Tiludronate ]],
[[Tiotropium  Inhalation ]],
[[Tipranavir ]],
[[Tirofiban]],
[[Tocainide ]],                                   
[[Tolazamide ]],
[[Tolbutamide ]],
[[Topotecan Hydrochloride ]],
[[Trandolapril ]],
[[Tranylcypromine ]],
[[Trastuzumab ]],
[[Trazodone ]],
[[Triamterene]],
[[Triazolam ]],
[[Trichothecene]],
[[Trihexyphenidyl ]],
[[Trimethadione ]],
[[Trimetrexate Glucuronate ]],
[[Trimipramine ]],
[[Troleandomycin ]],
[[Valacyclovir ]],
[[Valproate semisodium]],
[[Valproic Acid ]],
[[Verapamil ]],
[[Vinblastine ]],
[[Vinorelbine Tartrate ]],
[[Voriconazole]],
[[Vorinostat ]],
[[Zalcitabine ]],
[[Ziprasidone ]],
[[Zoledronate]],
[[Zonisamide ]],
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Ear Nose Throat'''
|bgcolor="Beige"|
[[Sinusitis]],
[[Pharyngoconjunctival fever]],
[[Pharyngitis]],
[[Peritonsillar abscess]],
[[Otitis media]],
[[Orbital cellulitis]],
[[Mastoiditis]],
[[Ludwig's angina]],
[[Laryngitis]],
[[Gradenigo's syndrome]],
[[Dacryocystitis]],
[[Croup]],
[[Bezold's abscess]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Endocrine'''
|bgcolor="Beige"|
Subacute thyroiditis,
[[Exopthalmos]],
[[Diabetes insipidus]],
[[De Quervain's thyroiditis]],
[[Adrenal hemorrhage]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Environmental'''
|bgcolor="Beige"|
[[Zinc oxide]],
[[Silicosis]],
[[Polytetrafluoroethylene]],
[[Metal fume fever]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Gastroenterologic'''
|bgcolor="Beige"|
[[Ulcerative colitis]],
[[Toxic megacolon]],
[[Pseudomembranous colitis/C.difficile]],
[[Peritonitis]],
[[Perianal abscess]],
[[Pancreatitis]],
[[Ischemic colitis]],
Intra-abdominal abscess,
[[Ileitis]],
[[Hepato-biliary diseases]],
[[Gastritis]],
[[Gastroenteritis]],
[[Gastrointestinal perforation]],
[[Diverticulitis]],
[[Crohn's disease]],
[[Colitis]],
[[Cholangitis]],
[[Cholecystitis]],
[[Caroli's Disease]],
[[Caecitis]],
[[Appendicitis]],
[[Anal abscess]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Genetic'''
|bgcolor="Beige"|
[[Muckle-Wells syndrome]],
[[Sickle-cell disease]],
[[Krabbe disease]],
[[Hyperimmunoglobulinemia D with recurrent fever]],
[[Fabry's Disease]],
[[Cystic Fibrosis]],
[[Familial Mediterranian Fever]],
[[Blue diaper syndrome]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Hematologic'''
|bgcolor="Beige"|
[[Disseminated Intravascular Coagulation]],
[[Blood Transfusion]],
[[Acute lymphoblastic leukemia]],
[[Acute myeloid leukemia]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Iatrogenic'''
|bgcolor="Beige"|
[[Transfusion reaction]],
[[Transfusion-associated graft versus host disease]],
[[Serotonin syndrome]],
[[Malignant hyperthermia]],
[[Adjustable gastric band]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Infectious Disease'''
|bgcolor="Beige"|
[[Adenoviridae]],
[[African Hemmorhagic Fever]],
[[African horse sickness]],
[[African swine fever virus]],
[[African Trypanosomiasis]],
[[Alkhurma virus]],
[[Allergic bronchopulmonary aspergillosis]],
[[Alphavirus]],
[[Anthrax]],
[[Aphthovirus]],
[[Arbovirus]],
[[Arenavirus]],
[[Aripiprazole ]],
[[Arterivirus]],
[[Aspergillosis]],
[[Astroviridae]],
[[Babanki virus]],
[[Bacillary angiomatosis]],
[[Bartonellosis]],
[[BK virus]],
[[Blackwater fever]],
[[Blastomycosis]],
[[Bordetella pertussis]],
[[Bornholm disease]],
[[Borrelia]],
[[Boutonneuse fever]],
[[Brucellosis]],
[[Bubonic plague]],
[[Buruli ulcer]],
[[Bwamba Fever]],
[[Cabin fever]],
[[Campylobacter jejuni]],
[[Cat scratch fever]],
[[Chagas disease]],
[[Chickenpox]],
[[Chlamydia]],
[[Chlamydophila pneumoniae]],
[[Clostridium Difficile]],
[[CMV ]],
[[Coccidioidomycosis]],
[[Colorado tick fever virus]],
[[Cotton fever]],
[[Coxiella burnetii infection]],
[[Coxsackie A virus]],
[[Crimean Congo Hemorrhagic Fever]],
[[Cryptosporidiosis]],
[[Cyclosporiasis]],
[[Dengue Fever]],
[[Dientamoebiasis]],
[[Diphtheria]],
[[Ebola haemorrhagic fever]],
[[Echovirus]],
[[Enterotoxigenic Escherichia coli]],
[[Epstein-Barr virus]],
[[Fasciolosis]],
[[Fasciolopsiasis]],
[[Filoviridae]],
[[Flavivirus]],
[[Fusarium]],
[[Giardiasis]],
[[Gonorrhea]],
[[Group A streptococcal infection]],
[[Haemophilus influenzae]],
[[Haverhill fever]],
[[Hantavirus Pulmonary Syndrome]],
[[Herpangina]],
[[Hepatitis A]],
[[Hepatitis B]],
[[Hepatitis C]],
[[Hepatitis E]],
[[Herpes zoster]],
[[Herpesviridae]],
[[HIV/AIDS]],
[[Hookworm]],
[[Infectious mononucleosis]],
[[Influenza virus ]],
[[Lassa Fever]],
[[Legionellosis]],
[[Leishmaniasis]],
[[Leptospirosis]],
[[Lemierre's Syndrome]],
[[Listeriosis]],
[[Lyme disease]],
[[Malaria]],
[[Measles]],
[[Melioidosis]],
[[Miliary tuberculosis]],
[[Mumps]],
[[Murray Valley encephalitis virus]],
[[Mycobacterium avium complex]],
[[Mycoplasma pneumoniae]],
[[Naegleria infection]],
[[Nocardiosis]],
[[Noma (disease)]],
[[Norovirus infection]],
[[Omsk hemorrhagic fever]],
[[O'nyong'nyong virus]],
[[Opisthorchis infection]],
[[Oropouche virus]],
[[Paracoccidioidomycosis]],
[[Paragonimus Infection]],
[[Paratyphoid fever]],
[[Penicilliosis]],
[[Pityriasis rosea]],
[[Pneumocystis jirovecii pneumonia]],
[[Poliomyelitis]],
[[Pontiac fever]],
[[Psittacosis]],
[[Q fever]],
[[Rat-bite fever]],
[[Rhinovirus]],
[[Rheumatic fever]],
[[Rickettsial infections]],
[[Rift Valley fever virus]],
[[Rocky Mountain Spotted Fever]],
[[Roseola]],
[[Ross River Fever]],
[[Rotavirus]],
[[Rubella]],
[[Salmonella enteritidis]],
[[Salmonella typhi infection/ Typhoid fever]],
[[Scarlet fever]],
[[Schistosomiasis]],
[[Septic arthritis]],
[[Shigellosis]],
[[Severe acute respiratory syndrome]],
[[Sindbis virus]],
[[Sleeping sickness]],
[[Smallpox]],
[[Marburg hemorrhagic fever]],
[[Mediterranean spotted fever]],
[[Staphylococcal enteritis]],
[[Streptococcus pyogenes]],
[[Swine flu]],
[[Syphillis]],
[[TORCH infections]],
[[Toxic Shock Syndrome]],
[[Toxocara infection]],
[[Traveler's diarrhea]],
[[Trench Fever]],
[[Trichinosis]],
[[Tularemia]],
[[Varicella-zoster virus]],
[[Vibrio parahaemolyticus]],
[[Vibrio vulnificus]],
[[Visceral leishmaniasis]],
[[West Nile Virus]],
[[Whipple's disease]],
[[Yellow Fever Virus]],
[[Yersinia enterocolitica Infection (Yersiniosis)]],
[[Yersinia Pestis Infection]],
[[Yersinia pseudotuberculosis]],
[[Zika fever]],
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Musculoskeletal / Ortho'''
|bgcolor="Beige"|
[[Septic arthritis]],
[[Reactive Polyarticular Arthritis]],
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Neurologic'''
|bgcolor="Beige"|
[[Subdural hygroma]],
[[Neuroleptic malignant syndrome]],
[[Meningitis]],
[[La Crosse encephalitis]],
[[Krabbe disease]],
[[Craniopharyngioma]],
[[Brain Abscess]],
[[Acute Disseminated Encephalomyelitis]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Nutritional / Metabolic'''
|bgcolor="Beige"|
[[Blue diaper syndrome]],
[[Gout]],
[[Porphyria]]
|-
|-bgcolor="LightSteelBlue"
| '''Obstetric/Gynecologic'''
|bgcolor="Beige"|
[[Pelvic inflammatory disease]],
[[Childbirth]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Oncologic'''
|bgcolor="Beige"|
[[Acute lymphoblastic leukemia]],
[[Acute myeloid leukemia]],
[[Pel-Ebstein fever]],
[[Synovial sarcoma]],
[[Renal Cell Carcinoma]],
[[Myxoma]],
[[Mesothelioma]],
[[Lung cancer]],
[[Juvenile Myelomonocytic Leukemia (JMML)]],
[[Kaposi's sarcoma]],
[[Hodgkin's lymphoma]],
[[Craniopharyngioma]],
[[Chronic myelogenous leukemia]],
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Opthalmologic'''
|bgcolor="Beige"|
[[Tolosa-Hunt syndrome]],
[[Temporal arteritis]],
[[Cogan syndrome]],
[[Acute posterior multifocal placoid pigment epitheliopathy]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Overdose / Toxicity'''
|bgcolor="Beige"|
[[Vitamin A]],
[[Coley's Toxins]],
[[Didanosine ]],
[[Ethchlorvynol]],
[[Ganciclovir ]],
[[Melarsoprol]],
[[Methotrexate ]],
[[Mycophenolate ]],
[[Nevirapine ]],
[[Oxybutynin ]],
[[Oxycodone and aspirin ]],
[[Peginterferon alfa-2a ]],
[[Phenelzine ]],
[[Phentermine]],
[[Selegiline ]],
[[Solifenacin ]],
[[Valganciclovir ]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Psychiatric'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Pulmonary'''
|bgcolor="Beige"|
[[Tuberculosis]],
[[Tracheitis]],
[[Pulmonary alveolar proteinosis]],
[[Pleurisy]],
[[Lung cancer]],
[[Lung abscess]],
[[Empyema]],
[[Community-acquired pneumonia]],
[[Bronchitis]],
[[Atelectasis]],
[[Alveolitis]],
[[Allergic bronchopulmonary aspergillosis]],
[[Acute Chest Syndrome]],
|-
|-bgcolor="LightSteelBlue"
| '''Renal / Electrolyte'''
|bgcolor="Beige"|
[[Urinary tract infection]],
[[Pyelonephritis]],
[[Interstitial nephritis]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Rheum / Immune / Allergy'''
|bgcolor="Beige"|
[[Wegener Granulomatosis]],
[[Varicella (Chickenpox) Vaccine ]],
[[Yellow Fever Vaccine ]],
[[Takayasu's Arteritis]],
[[Systemic lupus erythematosus]],
[[Still's disease]],
[[Serum sickness]],
[[Sarcoidosis]],
[[Rheumatoid arthritis]],
[[Rabies vaccine ]],
[[Polyarteritis nodosa]],
[[Lupoid hepatitis]],
[[Langerhans cell histiocytosis]],
[[Kawasaki disease]],
[[Hay fever]],
[[Churg-Strauss Syndrome]],
[[Bacillus Calmette-Guerin (BCG) Vaccine ]],
 
 
|-
|-bgcolor="LightSteelBlue"
| '''Sexual'''
|bgcolor="Beige"|
[[Syphillis]],
[[Lymphogranuloma venereum]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Trauma'''
|bgcolor="Beige"| No underlying causes
|-
|-bgcolor="LightSteelBlue"
| '''Urologic'''
|bgcolor="Beige"|
[[Prostatitis]],
 
|-
|-bgcolor="LightSteelBlue"
| '''Miscellaneous'''
|bgcolor="Beige"|
[[Retinoic acid syndrome]],
[[POEMS syndrome]],
[[Omphalitis]],
Occult abscess,
[[Neutropenia]],
[[Mastitis]],
[[Lymphocytopenia]],
[[Kikuchi disease]],
[[Immune reconstitution inflammatory syndrome]],
[[Herxheimer reaction]],
[[Heroin withdrawl]],
[[Hemophagocytic lymphohistiocytosis]],
[[Fetal alcohol syndrome]],
[[Fat Embolism Syndrome]],
[[Cytokine release syndrome]],
[[Congenital syphilis]],
[[Cocaine]],
[[Adiposis dolorosa]],
 
|-
|}


==Treatment==
==Treatment==
Fever should not necessarily be treated. Fever is an important signal that there's something wrong in the body, and it can be used for follow-up. Moreover, not all fevers are of infectious origin.


Even when treatment is not indicated, however, febrile patients are generally advised to keep themselves adequately hydrated, as the [[dehydration]] produced by a mild fever can be more dangerous than the fever itself. Water is generally used for this purpose, but there is always a small risk of [[hyponatremia]] if the patient drinks too much water. For this reason, some patients drink sports drinks or products designed specifically for this purpose.
[[Fever medical therapy|Medical Therapy]] | [[Fever primary prevention|Primary Prevention]] | [[Fever secondary prevention|Secondary Prevention]] | [[Fever cost-effectiveness of therapy|Cost-Effectiveness of Therapy]]


Most people take medication against fever because the symptoms cause discomfort. Fever increases [[heart rate]] and [[metabolism]], thus potentially putting an additional strain on elderly patients, patients with [[heart disease]], etc. This may even cause [[delirium]]. Therefore, potential benefits must be weighed against risks in these patients. In any case, fever must be brought under control in instances when fever escalates to [[hyperpyrexia]] and tissue damage is imminent.
==Case Studies==


Treatment of fever should be based primarily on lowering the set-point, but facilitating heat loss may also contribute. The former is accomplished with [[antipyretic]]s. Wet cloth or pads are also used for treatment, and applied to the forehead. Heat loss may be an effect of (possibly a combination of) [[heat conduction]], [[convection]], [[radiation]], or [[evaporation]] ([[sweating]], perspiration). This may be particularly important in babies, where drugs should be avoided. However, if [[water]] that is too cold is used, it induces [[vasoconstriction]] and prevents adequate heat loss.
[[Fever case study one|Case #1]]


==References==
===Articles===
{{reflist|2}}
===Books===
* Rhoades, R. and Pflanzer, R. Human physiology, third edition, chapter 27 ''Regulation of body temperature'', p. 820 ''Clinical focus: pathogenesis of fever''. ISBN 0-03-005159-2
* Kasper, D.L.; Braunwald, E.; Fauci, A.S.; Hauser, S.L.; Longo, D.L.; Jameson, J.L. ''[[Harrison's Principles of Internal Medicine]]''. New York: McGraw-Hill, 2005. ISBN 0-07-139140-1.


== External Links ==
* [http://www.seattlechildrens.org/child_health_safety/health_advice/fever.asp What to do if your child has a fever] from Seattle Children's Hospital
* [http://kidshealth.org/parent/general/body/fever.html Fever and Taking Your Child's Temperature]
* [http://www.nlm.nih.gov/medlineplus/ency/article/003090.htm US National Institute of Health factsheet]
* [http://hcd2.bupa.co.uk/fact_sheets/html/fever.html BUPA factsheet]


{{Symptoms and signs}}
{{Symptoms and signs}}


[[ar:حمى]]
 
[[bn:জ্বর]]
[[bg:Треска (болест)]]
[[ca:Febre]]
[[cs:Horečka]]
[[da:Feber]]
[[de:Fieber]]
[[es:Fiebre]]
[[eo:Febro]]
[[eu:Sukar]]
[[fr:Fièvre]]
[[fr:Fièvre]]
[[io:Febro]]
[[it:Febbre]]
[[he:חום (תסמין למחלה)]]
[[la:Febris]]
[[ln:Fɛ́fɛlɛ]]
[[ms:Demam]]
[[nl:Koorts]]
[[ja:発熱]]
[[ja:発熱]]
[[no:Feber]]
[[nn:Feber]]
[[ps:تبه]]
[[pt:Febre]]
[[pt:Febre]]
[[qu:Ruphariy]]
[[ru:Лихорадка]]
[[ru:Лихорадка]]
[[si:උණ]]
[[simple:Fever]]
[[fi:Kuume]]
[[sv:Feber]]
[[ta:காய்ச்சல்]]
[[uk:Лихоманка]]
[[yi:פיווער]]
[[zh:发热]]
[[zh:发热]]
{{WH}}
{{WS}}


[[pl:Gorączka]]
[[tr:Ateş]]
[[Category:Medical signs]]
[[Category:Symptoms]]
[[Category:Symptoms]]
[[Category:Signs and symptoms]]
[[Category:Signs and symptoms]]
[[Category:Emergency medicine]]
[[Category:Emergency medicine]]
[[Category:Physical examination]]
[[Category:Physical examination]]
[[Category:Infectious disease]]
[[Category:Primary care]]
{{WH}}
{{WS}}
[[pl:Gorączka]]
[[tr:Ateş]]

Latest revision as of 21:44, 29 July 2020

Fever
An analogue medical thermometer showing the temperature of 38.7 °C

Fever Microchapters

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Measurement of Body Temperature in Fever

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Fever of unknown origin

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Case #1

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Directions to Hospitals Treating Fever

Risk calculators and risk factors for Fever

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]; M.Umer Tariq [3]; Ogheneochuko Ajari, MB.BS, MS [4]

Synonyms and keywords: Pyrexia; febrile response

Overview

Measurement of Body Temperature in Fever

Variations in Body Temperature

Pathophysiology

Classification

Fever of unknown origin

Causes

Drug Side Effect

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Usefulness of Fever

Diagnosis

History and Symptoms | Physical Examination | Laboratory Findings

Treatment

Medical Therapy | Primary Prevention | Secondary Prevention | Cost-Effectiveness of Therapy

Case Studies

Case #1


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