What are acyclovir’s uses? Acyclovir’s benefit lies in it ability to treat two common viral infections: varicella-zoster (the cause of chickenpox and shingles) and herpes simplex (cold sores and genital herpes). It works by preventing viruses from dividing and multiplying. Acyclovir is used to treat viral infections like chickenpox, herpes zoster (shingles) and genital herpes (a sexually transmitted disease). Acyclovir is in a class of medications called antivirals. It works by stopping the spread of the virus in the body. El aciclovir bloquea la síntesis de DNA viral a través de un mecanismo que involucra a la enzima timidincinasa codificada por los virus herpéticos transformando al aciclovir en monofosfato de aciclovir. Learn about acyclovir usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Aciclovir, also known as acyclovir, [4] is an antiviral medication. [5] It is primarily used for the treatment of herpes simplex virus infections, chickenpox, and shingles. [6] 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. This product is available in the following dosage forms: Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus in the body. Acyclovir will not cure herpes, but it can lessen the symptoms of the infection. Acyclovir is used to treat infections caused by herpes viruses, such as genital herpes, cold sores, shingles, and chicken pox. What is acyclovir used for? Acyclovir is an antiviral medicine commonly used for the following conditions caused by herpes viruses. Acyclovir may also be used for other conditions as. View aciclovir information, including dose, uses, side-effects, renal impairment, pregnancy, breast feeding and directions for administration. NHS information about aciclovir, including what it's used for, who can use it, how to use it and side effects.