Zovirax Topical (for the skin) is an antiviral medicine that is used to treat skin symptoms caused by the herpes virus. Zovirax Topical cream is used to treat cold sores on the lips and face. Medscape - Herpes simplex, zoster-specific dosing for Zovirax (acyclovir), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Learn about acyclovir usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Zovirax treats viral infections caused by genital herpes, cold sores, shingles, and chicken pox. Learn about side effects, interactions and indications. Zovirax (Acyclovir) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Zovirax Suspension (Acyclovir ) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Find patient medical information for Acyclovir (Zovirax) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Aciclovir (Zovirax) Aciclovir is an antiviral medicine used to treat certain infections. Most types are only available with a prescription, but you can buy some types from shops and pharmacies. Description Acyclovir is used to treat shingles (herpes zoster), genital herpes, and chickenpox. Although acyclovir will not cure shingles or genital herpes, it does help relieve the pain and discomfort and helps the sores heal faster. This medicine is available only with your doctor's prescription. Description Acyclovir belongs to the family of medicines called antivirals. Antivirals are used to treat infections caused by viruses. Usually they work for only one kind or group of virus infections. Topical acyclovir is used to treat the symptoms of herpes simplex virus infections of the skin, mucous membranes, and genitals (sex organs). Although topical acyclovir will not cure herpes.