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Alaska Tuberculosis Program Manual - Epidemiology - State of Alaska

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Antituberculosis<br />

Drug<br />

Rifapentine<br />

(RPT)<br />

Pyrazinamide<br />

(PZA)<br />

Side Effects/<br />

Adverse Reactions<br />

Similar to those associated<br />

with rifampin<br />

Gastrointestinal upset<br />

Hepatitis<br />

Rash<br />

Photosensitive dermatitis<br />

Hyperuricemia<br />

Joint aches<br />

Gout (rare)<br />

Monitoring Comments<br />

Similar to that for rifampin<br />

Clinical monitoring at weeks 2, 4, and 8<br />

If the drug is used in patients with underlying liver<br />

disease, laboratory and clinical monitoring should<br />

be increased<br />

Baseline measurements <strong>of</strong> uric acid<br />

Liver function tests (aspartate aminotransferase<br />

[AST], alanine aminotransferase [ALT], and serum<br />

bilirubin) at baseline in selected cases (human<br />

immunodeficiency virus [HIV] infection, history <strong>of</strong><br />

liver disease, alcoholism, or pregnancy)<br />

Repeat measurements if<br />

Baseline results are abnormal<br />

Patient has symptoms <strong>of</strong> adverse reactions<br />

ALASKA T U B E R C U L O S I S P R O G R A M M A N U A L Treatment <strong>of</strong> Tuber culosis Disease 6.18<br />

Revised November 2012<br />

Drug interactions involving RPT are being investigated<br />

and are likely to be similar to those <strong>of</strong> rifampin. RPT is<br />

an inducer <strong>of</strong> multiple hepatic enzymes and therefore<br />

may increase metabolism <strong>of</strong> coadministered drugs that<br />

are metabolized by these enzymes. For more<br />

information, refer to “Section 7: Drug Interactions” on<br />

page 45 in “Treatment <strong>of</strong> <strong>Tuberculosis</strong>” at<br />

http://www.cdc.gov/mmwr/PDF/rr/rr5211.pdf .<br />

Treat hyperuricemia only if patient has symptoms.<br />

Might make glucose control more difficult in persons<br />

with diabetes.<br />

Serum uric acid measurements are not recommended<br />

as a routine but may serve as a surrogate marker for<br />

compliance.

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