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
Bone marrow depressive drugs in the treatment of AIDS patient are except 
Select and explain. 
A. Didanosine, B. Zalcitabine, C. Cotrimaxazole, D. Ganciclovir
A: Didanosine
Answer: A: Didanosine 
Explanation: Drugs causing bone marrow suppression in patients with HIV infection Zidovudine Dapsone Trimethoprim Pyrimethamine. 5-flucytosine Gancyclovir Interferon alpha Foscarnet. Refer CMDT 2010/454