A substance, C7H17NO3, that is derived from choline and is released at the ends of nerve fibers in the somatic and parasympathetic nervous systems, where it mediates the transmission of nerve impulses. acetylcholine.
abreva, abreva review. Abreva is a popular cold sore treatment that is sold over the counter. It has become very popular and is usually quite effective, and is sold at a very high price for an over the counter remedy. It is advertised to stop a cold sore before they begin, or shorten the outbreak time.
Apply only to affected areas. Do not get Abreva in your eyes. If you get Abreva in your eyes, rinse immediately with cool tap water. Wash your hands before and after applying Abreva. Apply to affected area on face or lips at the first sign of a cold sore or fever blister (eg, bump, itch, tingle, redness).