What over-the-counter products can i try to get rid of a canker sore due to herpes simplex 1?

Orabase: Get orabase. It wont rid you of herpes, but it will help kill the pain.

If it's herpes....: ...Then it's not a canker sore. Canker sores are form multiple or indeterminate causes. Herpes sores are caused by herpes. There is an over the counter medicine called abreva that helps a bit. Lysine is good, and it's available in a lot of health food stores.

Not the same: Cankers (aphthae) are not herpes. Usually they heal quickly ; require no med. Primary herpes is the very first herpes infection ; shows a mouthful of sores. Most people skip this stage, reasons unknown. The only effective treatment for herpes is a prescription pill. See a dermatologist if you are in distress.