Heal cold sores

2 days faster

Fenivir® is clinically proven to treat cold sores
2 days faster than acyclovir2.
Cold Sore Treatment
Cold Sore Treatment

Benefits of Fenivir®

The fastest and most effective cold sore
treatment2,3,4,5*.
Fenivir star blue light

Superior

Fenivir® (penciclovir) is superior to acyclovir2,3.

Fenivir star blue light

Noticeability

Fenivir® significantly reduces the noticeability of cold sores.4

Cold Sore Treatment
Fenivir star blue light

Duration

Fenivir® is clinically proven to provide fast acting and effective treatment that significantly reduces the duration of cold sores2,3,4,5,7,8.

Fenivir star blue light

Pain

Fenivir® significantly reduces the pain3,4,6,8,9 associated with cold sores.

Stages of a cold sore

How to apply Fenivir®