mayoclinic.orgI would tried antiviral horse capsules from the doctor, and so they did nothing, a certain OTC ointment that's always advertised on TV never worked, lysine supplement nutritional vitamins did not work, both. I read the critiques on this and was skeptical, but it's the neatest thing I've used to stop a cold sore from changing into the usual full-blown horror present.

It's an amino acid that helps enhance the immune system.  In keeping with my vet, Lysine is secure for cats and has no harmful negative effects.

With the intention to replicate, solicitor uk the herpes virus requires arginine , another amino acid that's frequent in foods and essential to human life