* Does not require secondary range number to follow: back to top : State Abbreviations : State/Possession. Abbreviation. ALABAMA. AL. ALASKA. AK. AMERICAN SAMOA. AS. ARIZONA . AZ. ARKANSAS. AR. CALIFORNIA CA. COLORADO . CO. CONNECTICUT. CT. DELAWARE. DE. DISTRICT OF COLUMBIA. DC. FEDERATED STATES OF MICRONESIA. FM
Canker sores are small, shallow ulcers that appear in the mouth and often make eating and talking uncomfortable. There are two types of canker sores: Simple canker sores. These may appear three or four times a year and last up to a week. They typically occur in people ages 10 to 20. Complex canker sores.
Children under 5 years old may have cold sores inside their mouths and the lesions are commonly mistaken for canker sores. Canker sores involve only the mucous membrane and aren't caused by the herpes simplex virus. When to see a doctor. Cold sores generally clear up without treatment. See your doctor if: You have a weakened immune system