Anbesol Oral Gel; Benzodent; Hurricaine Oral Gel; Hurricaine Oral Spray; Numzident Gel; Orabase-B; Orajel 

painfull noncontagious sores that form inside the mouth and on the lips

Orajel is an over-the-counter oral anesthetic intended for relief of toothaches. Its main ingredient is benzocaine.

Canker Sores as related to Benzocaine Oral