What is Fever?

Fever is a symptom that people may experience for many reasons. It can be related to infections, chronic conditions, injuries, medication effects, or other health changes. The presence of this symptom alone does not diagnose any condition.

If you have Fever that is severe, persistent, or accompanied by other warning signs, contact a qualified healthcare provider.

Possible conditions associated with Fever

The following conditions have been associated with Fever. Only a health professional can determine the underlying cause.

3-hydroxy-3-methylglutaric aciduria

3-hydroxy-3-methylglutaric aciduria is a medical condition that may be associated with various symptoms and signs.

3-methylcrotonyl-CoA carboxylase 1 deficiency

Any 3-methylcrotonyl-CoA carboxylase deficiency in which the cause of the disease is a mutation in the MCCC1 gene.

Acute disseminated encephalomyelitis

Acute disseminated encephalomyelitis is a medical condition that may be associated with various symptoms and signs.

Acute intermittent porphyria

Acute intermittent porphyria is the most frequent and the most severe form of the acute hepatic porphyrias. It is charac...

Acute interstitial pneumonia

Acute interstitial pneumonia is a medical condition that may be associated with various symptoms and signs.

Acute liver failure

Acute liver failure is a medical condition that may be associated with various symptoms and signs.

Acute promyelocytic leukemia

Acute promyelocytic leukemia is a medical condition that may be associated with various symptoms and signs.

Acute radiation syndrome

Acute radiation syndrome is a medical condition that may be associated with various symptoms and signs.

Acute transverse myelitis

Acute transverse myelitis is a medical condition that may be associated with various symptoms and signs.

Adult-onset Still disease

Adult-onset Still disease is a medical condition that may be associated with various symptoms and signs.

Aicardi-Goutieres syndrome 7

Any Aicardi-Goutieres syndrome in which the cause of the disease is a mutation in the IFIH1 gene.

Alveolar echinococcosis

Alveolar echinococcosis is a medical condition that may be associated with various symptoms and signs.

Related symptoms

When to seek medical care

Seek urgent care if Fever is severe, sudden, or occurs with chest pain, difficulty breathing, confusion, severe weakness, or other serious symptoms.