Docosanol is an antiviral medication used to treat cold sore infections caused by the herpes simplex virus. Docosanol shortens the healing time and the length of time symptoms are present.

Docosanol topical is used to treat cold sores on the face and lips.

Docosanol may also be used for purposes other than those listed in this medication guide.

Use docosanol exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Wash your hands before and after applying docosanol topical.

Docosanol topical should be applied at the very first sign of a cold sore, such as the tingle, redness, bump, or itch.

Docosanol topical is a smooth, white cream that dries clear. It won’t sting or burn and it has no medicinal smell or taste.

Remove any cosmetics before applying docosanol topical. Apply enough docosanol topical to completely cover the cold sore or fever blister and rub in gently and completely.

Docosanol topical is usually applied five times a day until healed. Stop using docosanol topical and see your doctor if the cold sore gets worse or the cold sore is not healed with in 10 days.

If at any time the medication is accidentally removed, re-apply it as soon as possible.

Cosmetics, such as lipstick, may be applied over docosanol topical. However, use a separate applicator, such as cotton swab, to apply cosmetics over an unhealed cold sore to avoid spreading the infection.

Do not share docosanol topical with anyone. Sharing may spread the infection.

Avoid getting this medication in the eyes or mouth.

Store docosanol topical at room temperature away from moisture and heat. Do not freeze.

It is not known whether docosanol topical will interact with other medications. Tell your doctor and pharmacist about all other medicines you are using, especially other topical preparations, and talk to your doctor and pharmacist before using any prescription or over-the-counter medicines during treatment with docosanol topical.

Cold sores are contagious before, during and after an outbreak or when blisters are present. Cold sore sufferers should avoid close physical or intimate contact, such as kissing, when having an outbreak.

Cosmetics, such as lipstick, may be applied over docosanol topical. However, use a separate applicator, such as cotton swab, to apply cosmetics over an unhealed cold sore to avoid spreading the infection.

Do not share docosanol topical with anyone. Sharing may spread infection.

An overdose of this medication is not likely to occur. If you suspect an overdose or ingestion of docosanol topical, call an emergency room or poison control center for advice.

Apply the missed dose as soon as you remember, then re-apply the next dose on schedule. It does not matter if the time interval between those doses is reduced.

Cold sores are contagious before, during and after an outbreak or when blisters are present. Cold sore sufferers should avoid close physical or intimate contact, such as kissing, when having an outbreak.

Do not share docosanol topical with anyone. Sharing may spread the infection.

Avoid getting this medication in the eyes or mouth.

Before using docosanol topical, tell your doctor if you have any other medical conditions or if you use any other medications.

The FDA has not evaluated the effects of docosanol topical used during pregnancy.Do notuse docosanol topical without first talking to your doctor if you are pregnant.

It is not known whether docosanol topical passes into breast milk. Do not use docosanol topical without first talking to your doctor if you are breast feeding a baby.

Docosanol topical is not approved for use by children younger than 12 years old.

Your pharmacist has additional information about docosanol written for health professionals that you may read.

Docosanol topical is available without a prescription under the brand name Abreva in a 5% cream for topical use. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication especially if it is new to you.