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Fever: Introduction

A fever usually means the body has raised its temperature to fight an infection or condition. The most common causes are infectious viruses such as cold or flu. Also possibilities include gastroenteritis, hepatitis, sinusitis, tonsillitis, otitis media, urinary tract infections, measles, roseola, prostratitis, mononucleosis, dental abcess, TB, and drug reactions. The most common causes of fever in children include cold, flu, otitis media, throat infection, UTI, or roseola, but there are numerous other possibilities. Less commonly, fever can be caused by extremely serious conditions such as meningitis, meningococcal disease, and others.

Chronic cases of mild fever can indicate various conditions. Some possibilities are hepatitis, tuberculosis, lymphoma, and reactions to drugs (so-called drug fever). But there are many other possibilities and there is a long list of conditions with fever as a symptom. For comparison, see the list of conditions with cold-like symptoms or flu-like symptoms....more »

» Review Causes of Fever: Causes | Symptom Checker » | Assessment Questionnaire »

Causes of Fever:

The following medical conditions are some of the possible causes of Fever. There are likely to be other possible causes, so ask your doctor about your symptoms.

» Review Causes of Fever: Causes | Symptom Checker » | Assessment Questionnaire »

Common Causes of Fever

Home Diagnostic Testing and Fever

Home medical tests possibly related to Fever:

Causes of Types of Fever:

Review the causes of these more specific types of Fever:

Review causes of types of Fever in more specific categories:

Review causes of more specific types of Fever:

Fever: Symptom Checker

Listed below are some combinations of symptoms associated with Fever, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

Symptom Checker

Symptom Checker

Fever Treatments

Some of the possible treatments listed in sources for treatment of Fever may include:

Review further information on Fever Treatments.

Alternative Treatments for Fever

Alternative treatments or home remedies that have been listed as possibly helpful for Fever may include:

Stories from Users for Fever

Real-life user stories relating to Fever:

Message Boards for Fever

Symptom specific forums: The following patient stories in our interactive forums and message boards relate to Fever or relevant symptoms:

Diagnostic tests for Fever:

Various tests are used in the diagnosis of Fever. Some of these are listed below :

  • Physical examination
    • General appearance - e.g. jaundice may suggest hepatitis, ascending cholangitis or cholecystitis.
    • Temperature - Fevers can be due to infection; malignant disease; metabolic disorders (e.g. gout); blood disorders (e.g. hemolytic anemia); vascular disorders (e.g. stroke, brain hemorrhage); immunological disorders (e.g. lupus).
    • Examine the heart for a heart murmur which would suggest bacterial endocarditis
    • Examine the lungs for noises that suggest pneumonia or bronchiectasis
    • Examine the abdomen for a localized mass or swelling e.g. enlarged liver without jaundice may suggest amoebic abscess; pancreatic cyst, diverticular abscess; kidney cancer, kidney abscess
  • more tests...»

Fever: Animations

Medications or substances causing Fever:

The following drugs, medications, substances or toxins are some of the possible causes of Fever as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

Drug interactions causing Fever:

When combined, certain drugs, medications, substances or toxins may react causing Fever as a symptom. Always advise your doctor of any medications or treatments you are using, including prescription, over-the-counter, supplements, herbal or alternative treatments.

  • Lithium Carbonate and haloperidol interaction
  • Eskalith and haloperidol interaction
  • Eskalith CR and haloperidol interaction
  • Lithane and haloperidol interaction
  • Lithobid and haloperidol interaction
  • more interactions...»

Fever: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Fever may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Causes of Similar Symptoms to Fever

Research the causes of these symptoms that are similar to, or related to, the symptom Fever:

Assessment Questionnaire: Questions your doctor may ask (and why!)

During a consultation, your doctor will use various techniques to assess the symptom: Fever. These will include a physical examination and possibly diagnostic tests. (Note: A physical exam is always done, diagnostic tests may or may not be performed depending on the suspected condition) Your doctor will ask several questions when assessing your condition. It is important to openly share any pertinent information to help your doctor make an accurate diagnosis.

It is also very important to bring an up-to-date list of all of your all medical conditions, medications including dosages, and names of numbers of any specialist you see.

Create your printable checklist here.

See Fever Assessment Questionnaire (13 listings)

Fever: Deaths

Read more about causes and Fever deaths.

Misdiagnosis and Fever

Sinusitis is overdiagnosed: There is a tendency to give a diagnosis of sinusitis, when the condition is really a harmless complication of another infection, such as a common more »

Whooping cough often undiagnosed: Although most children in the Western world have been immunized against whooping cough (also called "pertussis"), this protection wears off after about 15 years. Thus, any teen or adult with a persistent cough more »

Fever: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Causes of Fever listed in Disease Database:

Other medical conditions listed in the Disease Database as possible causes of Fever as a symptom include:

Definitions of Fever:

A rise in body temperature above the normal, often as a response to infection. [GO:jl]
- (Source - Diseases Database)

A rise in the temperature of the body; frequently a symptom of infection
- (Source - WordNet 2.1)

Organs affected by Fever:

The list of organs typically affected by Fever may include, but is not limited to:

  • General constitution

Detailed list of causes of Fever

The list below shows some of the causes of Fever mentioned in various sources:

How Common are these Causes of Fever?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Fever. Of the 2274 causes of Fever that we have listed, we have the following prevalence/incidence information:

  • 20 causes are "very common" diseases
  • 40 causes are "common" diseases
  • 21 causes are "uncommon" diseases
  • 5 causes are "rare" diseases
  • 126 causes are "very rare" diseases
  • 2133 causes have no prevalence information.

Conditions listing medical symptoms: Fever:

The following list of conditions have 'Fever' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Fever or choose View All.

View All A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #









Conditions listing medical complications: Fever:

The following list of medical conditions have Fever or similar listed as a medical complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.









Join in at the forums

Ask or answer a question about symptoms or diseases at one of our free interactive user forums.

Medical story forums: If you have a medical story then we want to hear it.

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Causes of Fever Based on Risk Factors

This information shows analysis of the list of causes of Fever based on whether certain risk factors apply to the patient:

  • Travel - has the patient travelled recently?
  • Diabetes - history of diabetes or family history of diabetes?

    Doctors and specialists: Who should I consult about Fever?

    Depending on the seriousness of the onset of Fever, you may want to consult one of the following medical professionals.

    Important:In extreme cases, always seek advice from emergency services :

    What are the alternative names for Fever:

    Hyperthermia, Pyrexia, Body temperature increased, Febrile
    - (Source - Diseases Database)

    Classifications of Fever:

    Subtypes of Fever:

    Chills (1045 causes), FUO (165 causes), Low-grade fever (65 causes), Prolonged fever (128 causes), Mild fever (61 causes), High fever (84 causes), Very high fever (19 causes), Recurrent fever (26 causes), Fever in the returning traveller (22 causes), Hospital acquired fever (10 causes), Postpartum fever (11 causes), Severe temperature increase (7 causes), Fatal fever (12 causes), Postoperative fever (8 causes), Coldness (12 causes), Feeling cold (13 causes), Temperature sensitivity (76 causes), Shivering (378 causes), Cold skin (120 causes), Clammy skin (73 causes), Skin, clammy (18 causes), Heat intolerance (24 causes), Breast coldness (8 causes), Ear coldness (6 causes), Leg coldness (8 causes), Ankle coldness (8 causes), Buttock coldness (8 causes), Shin coldness (9 causes), Calf coldness (10 causes), Nose coldness (6 causes), Nipple coldness (6 causes), Arm coldness (11 causes), Foot coldness (12 causes), Hand coldness (8 causes), Scalp coldness (8 causes), Testicle coldness (10 causes), Thigh coldness (9 causes), Chest coldness (6 causes), Lip coldness (7 causes), Elbow coldness (7 causes), Neck coldness (8 causes), Toe coldness (9 causes), Chin coldness (7 causes), Clamminess (9 causes), Wrist coldness (8 causes), Knee coldness (9 causes), Knuckle coldness (8 causes), Back coldness sensation (6 causes), Groin coldness (9 causes), Thumb coldness (7 causes), Finger coldness (13 causes), Cold sensitivity (43 causes), Heat sensitivity (14 causes), Eyelid coldness (2 causes), Palm coldness (8 causes), Facial coldness (6 causes), cold intolerance (28 causes)

    Medical Conditions associated with Fever:

    Common symptoms (8589 causes), Temperature symptoms (2497 causes), Sick (5751 causes), Skin symptoms (5992 causes), Pain (6458 causes), Sensations (6520 causes), Brain symptoms (2787 causes), Neurological symptoms (9575 causes), Skin problems (3422 causes), Sensory symptoms (7134 causes), Nerve symptoms (9132 causes), Body symptoms (5672 causes), Head symptoms (10192 causes)

    Symptoms related to Fever:

    Flu-like symptoms (168 causes), Cold-like symptoms (712 causes), Headache (2433 causes), Cough (1407 causes), Chills (1045 causes), Night sweats (226 causes), Cold sweats (223 causes), Gastroenteritis (35 causes), Hepatitis (42 causes), Sinusitis (319 causes), Tonsillitis (17 causes), Otitis media, Urinary tract infections (68 causes), Measles, Roseola, Prostratitis

    Medical articles on signs and symptoms:

    Doctor-patient articles related to symptoms and diagnosis:

    These general medical articles may be of interest:

    Medical News summaries about Fever

    Our news pages contain the following medical news summaries about Fever and many other medical conditions:

    Related medical articles from our Disease Center for Fever:

    More Ways To Research Medical Signs and Symptoms:


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