Q fever

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It is a zoonosis (an animal disease that can incidentally communicate to people) that can affect the lungs, liver, heart or other parts of the body.

This is caused by the bacterium Coxiella burnetii, which is frequently found in cattle, sheep, goats and other domestic mammals. The infected animals spread it through the products of childbirth, excrement, milk and urine.

Symptoms occur around 20 days after exposure to the bacteria. In the initial stage, they may include dry cough, fever, headache, joint pain and muscle aches. Other symptoms may include abdominal pain, chest pain, rash and yellow skin (jaundice). Long-term effects may include chills, fatigue, weight loss, night sweats, prolonged fever and/or shortness of breath. Sometimes the only symptom is a prolonged fever that lasts for weeks or months.

The diagnosis is made through clinical questioning, physical examination and additional tests consisting of a blood test for antibodies.

The main treatment is based on the control of symptoms and antibiotic therapy.

Bibliographic references
  1. Didier Raoult, MD, PhD. Clinical manifestations and diagnosis of Q fever. Uptodate. Jun 07, 2016.
  2. Didier Raoult, MD, PhD. Treatment and prevention of Q fever. Uptodate. Apr 28, 2016.
  3. Didier Raoult, MD, PhD. Microbiology and epidemiology of Q fever. Uptodate. Mar 22, 2016.
  4. David H. Walker, J. Stephen Dumler, Thomas Marrie. Rickettsiosis. Harrison. Principios de Medicina Interna. Volumen 1. 19º Edición. 1161:1162.
  5. F. Segura, B. Font. Enfermedades producidas por Rickettsia. Farreras Rozman. Medicina Interna. Volumen 2. 12º edición. 2329:2329.
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Symptoms

    Fever / Feel very hot


    Fever between 39ºC / 102.2ºF and 39.9ºC / 103.82ºF


    Headache


    Dry cough


    Night sweats

Symptoms to watch out for

Pain that does not subside with analgesics.
High fever (102.2 ºF or more)
If it is accompanied by seizures
Cough with blood or pus

Self-care

Take over-the-counter pain relievers or anti-inflammatories.
Eat a balanced diet: increase consumption of fruits, vegetables, and white meats, and reduce consumption of fatty and fried foods.
Relative rest, rest until symptoms subside.
Consult with your primary care physician regarding the prescription of antibiotics.
Consult with your family doctor about the use of syrups or antitussive medications.