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Gastrointestinal: The principal adverse effect is a hepatic reaction (see WARNINGS). Hepatotoxicity appears to be dose related, and may appear at any time during therapy. Gl disturbances including nausea, vomiting and anorexia have also been reported.
Hematologic and Lymphatic: Thrombocytopenia and sideroblastic anemia with erythroid hyperplasia, vacuolation of erythrocytes and increased serum iron concentration have occurred rarely with this drug. Adverse effects on blood clotting mechanisms have also been rarely reported.
Other: Mild arthralgia and myalgia have been reported frequently. Hypersensitivity reactions including rashes, urticaria, and pruritis have been reported. Fever, acne, photosensitivity, porphyria, dysuria and interstitial nephritis have been reported rarely.
Read the Pyrazinamide (pyrazinamide) Side Effects Center for a complete guide to possible side effects
Drug/Laboratory Test Interactions: Pyrazinamide has been reported to interfere with ACETEST® and KETOSTIX® urine tests to produce a pink-brown color.5
Last reviewed on RxList: 12/3/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional Pyrazinamide Information
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