https://www.tga.gov.au/products/medicines/listed-medicines/monitoring-and-compliance/compliance-and-education-listed-medicines/efficacy-lysine-hydrochloride-cold-sores
Efficacy of Lysine Hydrochloride for cold sores | Therapeutic Goods Administration (TGA)
Oct 27, 2025 - The TGA initiated targeted compliance reviews of selected listed medicines containing Lysine Hydrochloride that made claims related to cold sores.
lysine hydrochloridecold soresefficacy