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February 9, 2012

Rheumatic Fever (cont.)

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How is rheumatic fever treated?

The first step in treating rheumatic fever is to eradicate the bacteria which initially caused the immunologic response. This is usually accomplished with the use of penicillin. For penicillin-allergic patients, there are other options such as erythromycin (E-Mycin, Eryc, Ery-Tab, PCE, Pediazole, Ilosone) or azithromycin (Zithromax, Zmax). It is important to make sure that the acute infection is treated, but such treatment won't necessarily change the course of rheumatic fever once the immunologic response has begun.. Your doctor will decide on the best treatment option for you. The joint pains are treated with aspirin or aspirin-related medications. It may be necessary to use very high doses to decrease the symptoms.

Carditis is treated by high-dose steroids but other cardiac medications may be needed to control the inflammation of the heart. This is a serious condition and is most often initially managed in an acute-care setting such as a hospital.

The most difficult and unpredictable symptom to treat is the chorea (involuntary movements). It often responds to antipsychotic medications such as haloperidol (Haldol) but may continue for a protracted period. For patients who develop Sydenham's chorea, it can be the most difficult of the symptoms, since it involves involuntary movements and can interfere with daily activities. These individuals must remain on chronic long-term antibiotics to prevent recurrence of the strep infection, which has been known to cause recurrence of the chorea.

What are the complications of rheumatic fever?

Most significant of the complications are cardiac in nature. Patients with rheumatic fever who develop carditis may develop long-lasting heart dysfunction. Often the mitral valve or the aortic valve is affected, and if patients are not responsive to medications, surgical valve replacement may become necessary. Atrial fibrillation (irregular fast heart rate) and heart failure can occur. Sydenham's chorea can be the most difficult complication to treat, and the individuals with this complication may get recurrence of the disease. A few people remain very susceptible to reinfection with GABHS and may require lifetime antibiotic treatment.



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