Difference Between Cold Sores and Canker Sores, Part III

Cold sore vs Canker soreCold sores need to be treated at the prodromal stage.  This stage is just before blisters are noted and when tingling, itching, and burning around the lips is felt.

OTC Treatment

Cold compress and lubrication are older remedies and can be effective.  Abreva is the only FDA-approved over the counter remedy.

In Office Treatment

Low-level laser treatment

Prescription

Denavir (penciclovir) is an anti-viral prescription medicine.  This is my favorite treatment for patients who have recurrent episodes of cold sores.  It is best to keep this prescription handy and apply when symptoms are first noted and before the outbreak is more severe.

 

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