Can you give me a simple homemade remedy for mouth ulcer?

Warm salt water: Mixture of one tablespoon of salt in a cup of warm water.

See below: The following supplements should be taken: lysine – 500mg, 3x/day vitamin c – 500mg 6x/day vitamin b-complex – take a high stress formula at least 100mg 3x/day acidophilus – follow label directions garlic 2-3x/day use equal amounts of echinacea, goldenseal and grapefruit seed extract; make a tea and place on ulcer with q tip or just rinse.

Kanka: Kanka is an over the counter liquid that consists of tincture of benzoin, to coat your ulcer, and benzocaine, to numb it. When placed on the ulcer, you will feel instant relief. Use it as often as you like.