Doctor's Guide report on the approval of Denavir (penciclovir) for treatment of recurrent cold sores includes clinical trial results.

1997 article describes how quickly this cream treats cold sores. Learn about the cost of the drug and how it is dispensed.

Learn how this antiviral cream helps treat cold sores, explore its possible side effects, and find advice on its proper use.

Discover how the antiviral cream works to treat cold sores (herpes labialis) and investigate its side effects and proper use.

Fact sheet for patients outlines the uses, dosage, and potential side effects of the antiviral cream.