A member asked:

Female 30 y.old.can a new lipstick trigger cold sores?or certain foods? also is there something you can do to prevent cold sores(like applying little topical cream for protection without having signs of cold sores?

A doctor has provided 1 answer

"Cold sores" represent outbreaks of Herpes I or II virus. Treatment is with antiviral meds (acyclovir, Valtrex). These ulcers are communicable, and there is no "preventive cream", etc., to stop emergence. Taking antivirals when symptoms first appear will decrease the effects sooner. Stress (emotional, school, work) can activate these viruses to produce the ulcers.

Answered 2/18/2022

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