Xerese (zuh-REES, acyclovir/hydrocortisone) for treating cold sores

You'll soon see ads for a new Rx topical product, Xerese (zuh-REES, acyclovir/hydrocortisone) for treating cold sores.

Think of Xerese as similar to Denavir or Abreva.

Xerese has a few differences. Xerese combines two meds to reduce the appearance of a cold sore...and shorten the infection time.

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