Download Canker Sore Medicine Walgreens Background . Canker cover should not be used on children under 5 years old without consulting a physician. If it's not better in 2 weeks, call your doctor. Anbesol Oral Anesthetic Gel | Walgreens from pics.drugstore.com Canker sores are small shallow ulcers that appear in the mouth and often make eating and talking uncomfortable. If i have a canker sore. They are appropriately named, too: Most canker sores are minor, measuring about 1 millimeter in diameter. Possible causes, signs and symptoms, standard treatment canker sores are small ulcers that develop inside your mouth. College of medicine and science. Dab the paste onto a canker sore. Canker sores are small shallow ulcers that appear in the mouth and often make eating and talking uncomfortable. Source: pics.drugstore.com Canker cover should not be use...