[QUOTE=AuroraB;941246]My sister used to get them a lot when she was a kid (in the 70's). My mom would give her L-lysine and have her rinse her mouth with glysine. She would get them from eating too much citrus. Now she gets them when she's stressed. L-lysine is an amino acid and doesn't produce any side effects that I'm aware of. I was able to take 3,000mg per day while I was pregnant. I take it when I feel a coldsore coming on along with extra B12 and it stops it in its tracks. L-lysine is great for herpetic lesions and shingles. You can mega dose it by taking 1,000 mg 3-4 times a day.[/QUOTE]
Just to put this straight canker sores are this [url=http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001993/]Canker sore - PubMed Health[/url] . NOT a herpes lesion and NOT the same as a cold sore which is this [url=http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001631/]Herpes - oral - PubMed Health[/url].
I get canker sores when I eat tomatoes (allergy), other than that, no issues since going primal.