In the fall of 2020, Katie Drablos noticed a canker sore on the back of her tongue that wouldn’t go away. As the pain increased, she visited urgent care, wondering if it was a COVID-19 symptom. It ...

Certain foods, including spicy, acidic, or abrasive foods, can trigger pain in canker sores. Also, food allergies may trigger ...

Few minor health issues are as pesky as a canker sore, that open wound (a small white ulcer ringed by a red halo) that stings and aches when you eat, drink, or just swallow. Though canker sores seem ...

Canker sores, also called aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums. Unlike cold sores, canker sores don't occur on the ...

For several weeks, Mari Henderson felt a canker sore on the left side of her tongue. It seemed annoying but she thought it might simply disappear. Then she read an article about a woman with the same ...

Canker sores are inflamed spots in your mouth that cause pain and typically heal within a couple of weeks. Oral cancer may cause raised spots or patches in your mouth that worsen over time. Share on ...

What is the difference between a canker sore and a cold sore? Canker sores and cold sores are common but distinct oral ...

Canker sores are painful ulcers on the soft tissues of the mouth. They can develop on the tongue or gums, but are most commonly found inside the lips. They are usually red with a white or yellow ...

Canker sores are bacterial, non-contagious infections that occur on the gums, inner lips, inside the cheeks and sometimes on the tongue. They are usually red and round with a white center. Most canker ...