Q fever

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Temperature measurement

Query fever

It usually takes about 20 days after exposure to the bacteria for symptoms to occur. Most cases are mild, yet some severe cases have been reported.

Symptoms of acute Q fever may include:

• Chest pain with breathing
• Clay-colored stools
• Cough
• Fever
• Headache
• Jaundice
• Muscle pains
• Rash (not common)
• Shortness of breath

Symptoms of chronic Q fever may include:

• Chills
• Fatigue
• Night sweats
• Prolonged fever
• Shortness of breath

The health care provider will suspect Q fever in people who have been exposed to the Coxiella burnetii bacteria who develop:

• Endocarditis
• Flu-like symptoms
• Hepatitis
• Pneumonia

Q fever is diagnosed with a blood antibody test (serology).

Review Date: 09/23/2010
Reviewed By: David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc., and Jatin M. Vyas, MD, PhD, Assistant Professor in Medicine, Harvard Medical School; Assistant in Medicine, Division of Infectious Disease, Department of Medicine, Massachusetts General Hospital.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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