Rifampicin-Induced Thrombocytopenia: A case report

ABSTRACT

INTRODUCTION@#The worldwide prevalence of adverse drug reactions (ADR) to anti-TB medication ranges from 8% to 85%. Major adverse reactions include hepatic, renal, and hematologic disorders of which, Rifampicin-induced thrombocytopenia is one of these rare complications.@*CASE@#A 58-year-old Filipino male developed respiratory and gastrointestinal bleeding with a severe drop in platelet count after several days of anti-tuberculosis (anti-TB) medications. The patient had oral mucosal petechiae, blood-streaked sputum, and epistaxis. The symptoms progressed to the formation of small adherent clots beneath the tongue, gum bleeding, melena, massive epistaxis, and hemoptysis with continued intake of the anti-TB drugs. The patient had anemia, normal WBC and differential count, and thrombocytopenia of 3 x 10