Can you please tell me some good ways to get ride of a canker sore on the corner of my mouth?

Zilactin B: A good economical fix is to go to your local pharmacy an buy a product called zilactin. Dry the ulcer with cotton tip applicator the apply a small pea sized drop of the gel. Wait until the gel becomes opaque. Plain zilactin stings. Zilactin recognized this and added Benzocaine to their product. The mixture is called zilactin b. You might have a vitamin deficiency. Check with your primary care.