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
Which of the following Anti-TB drug can cause "Steven Johnson Syndrome"? 
Select and explain. 
A. PAS, B. Thioacetazone, C. Ethionamide, D. Isoniazid
B: Thioacetazone
Answer: B: Thioacetazone 
Explanation: Thioacetazone is a bacteriostatic drug which can lead to Steven Johnson Syndrome, hypersensitivity and bone marrow suppression. It should not be used in cases of TB with HIV coinfection.