Interactions are not expected. Do not use any other skin products on the affected area without telling your doctor or health care professional.

They need to know if you have any of these conditions:
-immune system problems
-an unusual or allergic reaction to docosanol, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Even though you are using this medicine you can still pass herpes to another person. Try to keep the sores (blisters) from making contact with another person''s skin.

Tell your doctor or health care professional if your symptoms do not start to get better after 10 days or if they get worse.

You can apply non-medicated cosmetics over the treated area. In order to prevent the spread of infection, use an applicator, like a cotton swab, to apply cosmetics or sunscreen over the cold sore.

Do not get this medicine in your eyes. If you do, rinse out with plenty of cool tap water.

Keep out of the reach of children.

Store at room temperature between 15 and 25 degrees C (59 and 77 degrees F). Do not freeze. Throw away any unused medicine after the expiration date.