Arthralgia is commonly caused by which ATT drug?: (A) INH, (B) Rifampicin, (C) Pyrazinamide, (D) Ethambutol
Answer is C. Arthralgia is caused by pyrazinamide, which may be non-gouty or due to hyperuricemia secondary to inhibition of uric acid secretion in the kidney.
Ethambutol also produces hyperuricemia due to interference with urate excretion.