What is Docosanol: Uses, Warnings & Interactions

Updated Jan 12, 2021  •  Published Dec 30, 2020

Docosanol overview

BRAND NAMES:

  • Abreva

Generic Names:

  • Docosanol

Uses:

  • Treats fever blisters and cold sores caused by herpes simplex. This medicine is an antiviral.

Therapeutic Classes:

  • Antiviral

Forms:

  • Cream

How it’s taken:

  • On the skin

What form(s) does Docosanol come in

  • Cream

What are common Docosanol doses?

  • Tube 2GM of 10%

  • Bottle 1GM of

Common Docosanol prescriptions

  • Docosanol
    2gm of 10% tube

How to take Docosanol

  • Your doctor will tell you how much of this medicine to apply and how often. Do not use more medicine or apply it more often than your doctor tells you to. Start using this medicine at the first sign of a cold sore or fever blister (pain, burning, tingling).

  • This medicine is for use on the lips and face only and will not treat genital herpes. Do not apply it near your eyes or on your genitals.

  • Wash your hands with soap and water before and after using this medicine.

  • Apply a thin layer to the affected area. Rub it in gently and thoroughly.

  • Never share your medicine with anyone.

  • Apply a thin layer to the affected area. Rub it in gently and thoroughly.

  • Your doctor will tell you how much of this medicine to apply and how often. Do not use more medicine or apply it more often than your doctor tells you to. Start using this medicine at the first sign of a cold sore or fever blister (pain, burning, tingling).

  • This medicine is for use on the lips and face only and will not treat genital herpes. Do not apply it near your eyes or on your genitals.

  • Never share your medicine with anyone.

  • Wash your hands with soap and water before and after using this medicine.

What to do if you miss a dose of Docosanol

  • If you miss a dose or forget to use your medicine, apply it as soon as you can. If it is almost time for your next dose, wait until then to apply the medicine and skip the missed dose.

  • Do not apply extra medicine to make up for a missed dose.

Docosanol contraindications

  • You should not use this medicine if you have had an allergic reaction to docosanol.

Docosanol warnings

  • Make sure your doctor knows if you are pregnant or breastfeeding.

Docosanol interactions

  • Make sure your doctor knows if you are pregnant or breastfeeding.

Docosanol side effects

Serious Side Effects

  • Headache

  • Skin rash or increased redness

Less Serious Side Effects

  • Skin rash or increased redness

  • Headache