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
Drug which produces Steven Johnson's syndrome in HIV infected individuals is : 
Select and explain. 
A. Paraaminosalicylate, B. Cycloserine, C. Thioacetazone, D. Rifampicin
C: Thioacetazone
Answer: C: Thioacetazone 
Explanation: None