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.
Abreva comes in a tube and pump, so you can easily carry it with you and be prepared at the first sign of a cold sore. Abreva is a smooth, white cream that dries clear. It has no smell or taste. So, it can be your own secret weapon against cold sores.