Benzocaine gel: Over-the-counter gels or creams containing benzocaine, a topical anesthetic, can provide temporary relief by ...

Dr. Migliorati warns against using hydrogen peroxide for canker sores, since "it irritates the mouth." Mouthwashes with ...

Thankfully, there are some tried and true methods for zapping your canker sore at home, which include: Mouth rinses: Swishing a few extra times with your regular antibacterial mouthwash may ...