Denavir

Generic name: Penciclovir

What is Denavir?

Denavir cream is used to treat recurrent cold sores on the lips and face. It works by interfering with the growth of the herpesvirus responsible for the sores.

What is the most important information I should know about Denavir?

You should begin applying Denavir at the first hint of a developing cold sore. The drug will not cure herpes, but it will reduce pain and may speed healing.

Check with your doctor if your cold sore does not improve or becomes worse. You could have an infection.

Who should not take Denavir?

If you have ever had an allergic reaction to any of the ingredients in Denavir, you should not use this medication.

What should I tell my doctor before I take the first dose of Denavir?

Tell your doctor about all prescription, over-the-counter, and herbal medication you are taking before beginning treatment with this drug. Also, talk to your doctor about your complete medical history, especially if you have a weak immune system.

What is the usual dosage?

The information below is based on the dosage guidelines your doctor uses. Depending on your condition and medical history, your doctor may prescribe a different regimen. Do not change the dosage or stop taking your medication without your doctor's approval.

Adults and Children 12 to 17 years old: Apply cream every 2 hours, while awake, for 4 days.

The safety and effectiveness of this drug in children less than 12 years old have not been established.

How should I take Denavir?

Avoid using Denavir cream in or near the eyes; it can irritate them. Apply it only to sores on the lips and face.

Special warnings about this medication

It is not known whether Denavir is effective for people with weak immune systems.

What are possible food and drug interactions associated with Denavir?

If this medication is taken with certain other drugs, the effects of either could be increased, decreased, or altered. Always check with your doctor before combining Denavir with another medication.

What are the possible side effects of Denavir?

Reactions to Denavir are quite rare. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue using this medication.

Side effects may include: Headache, hives, itching, numbing of the skin, pain, rash, skin discoloration, skin reaction or swelling where the cream was applied, swelling in the mouth and throat, taste or smell alteration, tingling, worsened condition

Can I receive Denavir if I am pregnant or breastfeeding?

The effects of Denavir during pregnancy have not been adequately studied. If you are pregnant or plan to become pregnant, inform your doctor immediately. Researchers do not know whether this drug will appear in breast milk after external application. For safety's sake, your doctor may advise you to discontinue breastfeeding your baby until your treatment with Denavir is finished.

What should I do if I miss a dose of Denavir?

If you miss a dose of this drug, skip it. Do not apply an extra dose of the cream to make up for missed doses.

How should I store Denavir?

Store at room temperature.