Acyclovir Injection

Generic Name: Acyclovir

  • What is Acyclovir Injection?

    Acyclovir injection is an antiviral medication used to treat initial and recurrent herpes simplex (HSV-1 and HSV-2) or shingles (varicella zoster) infections in people with a weak immune system. It is also used to treat severe initial genital herpes, herpes simplex encephalitis (infection of the brain), and herpes infections in newborn babies. Acyclovir injection is administered intravenously (through a vein in your arm).

  • What is the most important information I should know about Acyclovir Injection?

    Acyclovir injection can cause injury to your kidneys and even death due to complete kidney failure. It is important to drink plenty of fluids to remain adequately hydrated while you are receiving acyclovir injection.

    Acyclovir injection may cause life-threatening blood disorders, especially if you have problems with your immune system.

    Acyclovir injection can cause fatigue, confusion, reduced alertness, agitation, seizures, hallucinations, tremors, or coma.

  • Who should not take Acyclovir Injection?

    Your doctor will not administer acyclovir injection to you if you are allergic to it, any of its ingredients, or to valacyclovir.

  • What should I tell my doctor before I take the first dose of Acyclovir Injection?

    Tell your doctor about all prescription, over-the-counter, and herbal medications you are taking before beginning treatment with acyclovir injection. Also, talk to your doctor about your complete medical history, especially if you have neurological, liver, lung, or kidney problems; or are pregnant, plan to become pregnant, or are breastfeeding.

  • What is the usual dosage?


    Adults: Your doctor will administer the appropriate dose for you intravenously, based on your condition and weight.

    Children: Your doctor will administer the appropriate dose intravenously, based on your child's condition and weight.

  • How should I take Acyclovir Injection?

    Your doctor will administer acyclovir injection to you.

  • What should I avoid while taking Acyclovir Injection?

    Do not miss your follow-up appointments with your doctor.

  • What are possible food and drug interactions associated with Acyclovir Injection?

    If acyclovir injection is used with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to tell your doctor if you are taking any of the following prior to treatment with acyclovir injection: probenecid.

  • What are the possible side effects of Acyclovir Injection?


    Side effects may include: blood abnormalities, injection-site reactions (such as inflammation), itching, nausea, vomiting

  • Can I receive Acyclovir Injection if I am pregnant or breastfeeding?

    The effects of acyclovir injection during pregnancy and breastfeeding are unknown. Acyclovir can be found in your breast milk if you receive it while you are breastfeeding. Tell your doctor immediately if you are pregnant, plan to become pregnant, or are breastfeeding.

  • What should I do if I miss a dose of Acyclovir Injection?

    Acyclovir injection should be given under special circumstances determined by your doctor.

  • How should I store Acyclovir Injection?

    Your doctor will store this medication for you.