Cold Sore Treatment. A pharmacist can help with cold sores. Some of the most common cold sore medications include Abreva Valtrex Zovirax and Famvir.

Available as a cream. Other medications such as Denavir are designed to treat pain itchiness and redness at the site of the cold sore. Taking this medicine at the start of a cold-sore outbreak can shorten the amount of time you have cold sores.
Medical Cold Sore Treatment.
A pharmacist can help with cold sores. Antiviral creams to speed up healing time. A prescription antiviral medicine may help. Creams to ease pain and irritation.