Medicines
- Zovirax acyclovir · Generic available Herpes sores on the skin in people with weak immune systems
- Famvir famciclovir · Generic available
- Valtrex valacyclovir · Generic available
- Denavir penciclovir · Generic available
- Xerese acyclovir and hydrocortisone · No generic yet Cold sores that keep coming back
From each medicine’s FDA label. Only your prescriber can say which one is right for you, and many are prescribed for other reasons too.