This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Arthralgia is commonly caused by which ATT drug? 
Select and explain. 
A. INH, B. Rifampicin, C. Pyrazinamide, D. Ethambutol
C: Pyrazinamide
Answer: C: Pyrazinamide 
Explanation: 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.