Abreva is the only FDA-approved over-the-counter medication for cold sores. Use this interactive guide to find out how it works.

Use this page as a good, basic overview of oral and topical treatments for cold sores.

Short overview compares the medications Denavir and Zovirax and describes how they work to manage cold sores.

Dr. Andrew Weil describes the various ways that you can treat cold sores and prevent recurrences.

Make sure that what you have is a cold sore. This overview on common mouth sores, including canker sores, leukoplakia and candidiasis, can help. Check out the included photos, too.

See if Abreva has worked successfully to treat cold sores for these individuals. Browse through pages of ratings and comments.

Read over this in-depth overview, from what causes cold sores to preventing them, for a complete understanding of cold sores .

Treat your cold sores with these great at-home tips. Print out and keep handy!

A virus causes cold sores, and early treatment is key. Learn more about these and other cold sore facts with this straightforward list.

Find out how cold sores develop in children and how you can help your child with treatment and prevention.

Distinguishing if your child has a cold sore or impetigo can be tricky. Read this expert's answer for guidance.

A hand-held device used in the U.K. to treat cold sores is currently awaiting FDA approval. Stay tuned!

Take the natural route when treating your cold sores with these suggestions for alternative treatments. You might want to consult your doctor first.