Q fever medical therapy: Difference between revisions
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==Medical Therapy== | ==Medical Therapy== | ||
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Revision as of 15:22, 6 December 2012
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Medical Therapy
Acute Pharmacotherapies
Doxycycline is the treatment of choice for acute Q fever. Antibiotic treatment is most effective when initiated within the first 3 days of illness. A dose of 100 mg of doxycycline taken orally twice daily for 15-21 days is a frequently prescribed therapy. Quinolone antibiotics have demonstrated good in vitro activity against C. burnetii and may be considered by the physician. Therapy should be started again if the disease relapses.
Q fever in pregnancy is especially difficult to treat because doxycycline and ciprofloxacin are contraindicated in pregnancy. The preferred treatment is five weeks of co-trimoxazole.[1]
Chronic Pharmacotherapies
Chronic Q fever endocarditis is much more difficult to treat effectively and often requires the use of multiple drugs. Two different treatment protocols have been evaluated: 1) doxycycline in combination with quinolones for at least 4 years and 2) doxycycline in combination with hydroxychloroquine for 1.5 to 3 years. The second therapy leads to fewer relapses, but requires routine eye exams to detect accumulation of chloroquine. Surgery to remove damaged valves may be required for some cases of C. burnetii endocarditis.
References
- ↑ Carcopino X, Raoult D, Bretelle F, Boubli L, Stein A (2007). "Managing Q fever during pregnancy: The benefits of long-term Cctrimoxazole therapy". Clin Infect Dis. 45: 548&ndash, 555.