2024年5月23日 · A canker sore is a small, shallow, open wound or ulcer in your mouth that can make eating and talking uncomfortable. It is also known as a mouth ulcer or aphthous ulcer. It …

2018年4月3日 · 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 …

Canker sores — or aphthous ulcers — are small, shallow ulcers that occur in the lining of your mouth. A canker sore starts as a white or yellowish mouth sore with a red border. They’re …

2024年12月19日 · Canker sores are small sores that form in the mouth. They're usually white or yellow with a red border and can appear inside the cheeks and lips or on the gums or tongue. …

2018年4月3日 · Oral medications may be used when canker sores are severe or do not respond to topical treatments. These may include: Medications not intended specifically for canker sore …

2023年4月21日 · A canker sore, or aphthous ulcer, is an open and painful mouth ulcer or sore. It’s also the most common type of mouth ulcer. Some people notice them inside their lips or cheeks.

Many people use the terms “mouth ulcer” and “canker sore” interchangeably. You might get a canker sore if you have a folate, vitamin B or iron deficiency. But in most cases, canker sores …