Zovirax/Acyclovir liquid, capsules, and tablets are used in the treatment of certain infections with herpes viruses. These include genital herpes, shingles, and chickenpox. This drug may not be appropriate for everyone, and its use should be thoroughly discussed with your doctor. Zovirax/Acyclovir ointment is used to treat initial episodes of genital herpes and certain herpes simplex infections of the skin and mucous membranes. Zovirax/Acyclovir cream is used for herpes cold sores on the lips and face only.Some doctors use Zovirax/Acyclovir, along with other drugs, in the treatment of AIDS, and for unusual herpes infections such as those following kidney and bone marrow transplants.
Most important fact about Zovirax/Acyclovir

Zovirax/Acyclovir does not cure herpes. However, it does reduce pain and may help the sores caused by herpes to heal faster. Genital herpes is a sexually transmitted disease. To reduce the chance of infecting your partner, forgo intercourse and other sexual contact while you have sores or any other symptom.
How should you take Zovirax/Acyclovir?

Your medication should not be shared with others, and the prescribed dose should not be exceeded. You can take Zovirax/Acyclovir with or without food.Zovirax/Acyclovir ointment should not be used in or near the eyes. To reduce the risk of spreading the infection, use a rubber glove to apply the ointment.Zovirax/Acyclovir cream should not be used in or near the eyes, or inside the nose or mouth. The medication can, however, be applied on the outside of the lips. Apply the cream with your fingers to clean, dry skin. Be sure to wash your hands before and after applying Zovirax/Acyclovir cream, and avoid bathing or swimming afterward to prevent it from washing off. Do not cover the cold sore with a bandage or make-up unless your doctor approves.

Zovirax/Acyclovir side effects

Side effects cannot be anticipated. If any develop or change in intensity, inform your local doctor ASAP. Only your doctor can determine if it is safe for you to continue taking Zovirax/Acyclovir.

* Side effects may include:
Diarrhea, general feeling of bodily discomfort, nausea, vomiting.* Side effects of Zovirax/Acyclovir ointment may include:
Burning, itching, mild pain, skin rash, stinging, vaginal inflammation.* Side effects of Zovirax/Acyclovir cream may include:
Allergic reactions, burning, dry or cracked lips, dry or flaky skin, eczema (inflamed, irritated patches of skin), hives, inflammation, itchy spots, stinging

Why should Zovirax/Acyclovir not be prescribed?

If you are sensitive to or have ever had an allergic reaction to Zovirax/Acyclovir or similar drugs, you should not take Zovirax/Acyclovir. Make sure that your doctor is aware of any drug reactions that you have experienced.
Special warnings about Zovirax/Acyclovir.If you are being treated for a kidney disorder, consult your doctor before taking Zovirax/Acyclovir. The drug has been known to cause kidney failure.If you develop unusual bruising or bleeding under the skin, be sure to alert your doctor. It could signal a dangerous blood disorder.
Possible food and drug interactions when taking Zovirax/Acyclovir.If Zovirax/Acyclovir is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Zovirax/Acyclovir with the following:

Cyclosporine (Sandimmune, Neoral)
Interferon (Roferon-A)
Probenecid (Benemid)
Zidovudine (Retrovir)
Special information if you are pregnant or breastfeeding

Zovirax/Acyclovir seems relatively safe during pregnancy. Nevertheless, it should be used only if its benefits outweigh the potential risk to the baby. If you are pregnant or plan to become pregnant, inform your doctor immediately. Zovirax/Acyclovir appears in breast milk and could affect a nursing infant. If Zovirax/Acyclovir is essential to your health, your doctor may advise you to discontinue breastfeeding your baby until your treatment with Zovirax/Acyclovir is finished.
Recommended dosage for Zovirax/Acyclovir

Zovirax/Acyclovir is generally safe. However, any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.* Symptoms of Zovirax/Acyclovir overdose may include:
Agitation, kidney failure, lethargy, coma, seizures

--If you miss a dose...

Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take 2 doses at the same time.If you are using the ointment, apply it as soon as you remember and continue your regular schedule.

Storage instructions...

Store Zovirax/Acyclovir at room temperature in a dry place.