This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharmacodynamics, Subject name: Pharmacology
All of the following drugs cause hemolysis in G-6PD deficiency except:- 
Select and explain. 
A. Primaquine, B. Nitrofurantoin, C. Sulfonamides, D. Erythromycin
D: Erythromycin
Answer: D: Erythromycin 
Explanation: * G6PD protects RBC from free radical injury * Impoant drugs causing hemolysis in G6PD deficiency are - Primaquine - Nitrofurantoin - Sulfonamides - Furazolidone