In a clinical study, 42% of patients who applied
XERESE within an hour of the first signs or symptoms prevented their cold sores from
progressing to the ulcerative stage (when they burst and form painful sores when compared to
In the same clinical study, XERESE:
*Randomized study of 1,443 treated patients.
Talk to your healthcare provider if your cold sore is not better in 2 weeks.
XERESE® (acyclovir and hydrocortisone) cream 5%/1% is a prescription medicine used in patients ages 6 and older to lessen the healing time of cold sores (herpes labialis) and lessen the chance of a cold sore becoming worse (ulcerating). It should be used early, at the first sign of a cold sore.