Acyclovir

Brand Names

Zovirax® (There may be other brand names for this medication)

How is it Administered?

Acyclovir is available as a tablet, capsule, or liquid to take by mouth; as a cream that is applied to the skin; or as an intravenous infusion (given through a thin tube placed in a vein, usually in your arm, wrist, hand or chest).

What is it Used For?

Acyclovir belongs to the family of medicines called antivirals. Antivirals treat infections caused by viruses. Usually, each medication works against only one kind of virus. Acyclovir treats herpes infections such as varicella (chickenpox); varicella-zoster (shingles); herpes simplex encephalitis; and herpes infections of the skin, nose, and mouth in people with weak immune systems.

What Should I Tell My Doctor Before I Begin Receiving Acyclovir?

Tell your doctor if you:

  • are allergic to acyclovir, valacyclovir (Valtrex┬«), or to any other medications or substances, such as foods or dyes
  • have kidney, liver, or nervous system disease; or if you ever had problems with your immune system
  • may be dehydrated from recent illness or activity
  • are pregnant or breastfeeding

This drug may interact with other medications or cause harmful side effects. Tell your doctor and pharmacist about all prescription or over-the-counter medications, vitamins, herbal, or diet supplements that you are taking.

Continue Reading Detailed Drug Profile