Herpecin Pain Relief (Lidocaine Hydrochloride Anhydrous, Allantoin, Benzethonium Chloride): Uses, Side Effects & Interactions
Herpecin Pain Relief is a topical medication combining the local anesthetic lidocaine, the skin protectant allantoin, and the antiseptic benzethonium chloride to treat the discomfort of cold sores and fever blisters. Its most notable side effect is temporary, localized stinging or burning at the application site, while systemic absorption of lidocaine remains rare unless applied … Read more