Incredible Does Valtrex Cause Hair Loss References. Nausea, stomach pain, headache, or dizziness may occur. Web serious side effects may occur rarely with acyclovir.

Blistering, peeling, or loosening of the skin hair loss or thinning of the hair hives or welts increased sensitivity of skin to sunlight Web list of medications that cause hair loss. Different drugs cause hair loss at different stages of the hair growth cycle.