This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
All of the following drugs cause hemolysis in patients with G-6 PD deficiency except 
Select and explain. 
A. Primaquine, B. Chloroquine, C. Quinine, D. Primethanamine
D: Primethanamine
Answer: D: Primethanamine 
Explanation: (Ref: KDT 7/e p66) Impoant drugs causing hemolysis in G-6-PD deficiency are - Primaquine -Dapsone -Sulfonamidesi - Nitrofurantoin Aspirin Menadione - Chloroquine -Quinine -Nalidixic acid Sulfonamides can cause hemolvsis in patients with G-6-PD deficiency and not pyrimethamine.