Zovirax (Acyclovir) is an antiviral used to treat shingles, chickenpox, or genital herpes. Zovirax (Acyclovir) may also be used to treat other conditions as determined by your doctor.
Zovirax side effects, that may go away during ZOVIRAX treatment, include nausea, vomiting, diarrhea, or headache. If Zovirax side effects continue or are bothersome, check with your doctor. If you notice other Zovirax side effects not listed above, contact your doctor, nurse, or pharmacist.