This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
Which of the following is not used in post-exposure prophylaxis for HIV? 
Select and explain. 
A. Zidovudine + Laniivudine, B. Nelfinavir, C. Stavudine + Didanosine, D. Acyclovir
D: Acyclovir
Answer: D: Acyclovir 
Explanation: Acyclovir is a potent and selective inhibitor of the replication of ceain Herpes viruses, including HSV types 1 and 2, VZV, EBVOther drugs given in the question are antiretroviral drugs used in HIV(Ref: KD Tripathi 6/e p776)