Ganciclovir is preferred over acyclovir in the following condition:: (A) Herpes simplex keratitis, (B) Herpes zoster, (C) Chickenpox, (D) Cytomegalovirus retinitis in AIDS patients
Answer is D. * Ganciclovir is the drug of choice for CMV infections. * Acyclovir is highly effective against Herpes simplex and Varicella zoster (chicken pox and herpes zoster) but it has very little activity against CMV.