What do I do if I have a Canker Sore?
Have you ever wound up with an annoying little bump on your cheek or inside your lips after you accidentally bit inside your mouth? These obnoxious little sores are known as canker sores.
Canker sores, also known as aphthous ulcers, are small, shallow lesions that develop on the soft tissues in your mouth or at the base of your gums and can make eating or talking uncomfortable. Unlike cold sores, canker sores don’t occur on the surface of your lips and they aren’t contagious.
Types of Sores
There are several different types:
- Minor canker sores
- These sores are common and may show up several times throughout the year. They are typically small, oval-shaped, and have a red edge. They are most common in people between the ages of 10 and 20 and will usually heal without scarring in one to two weeks.
- Major canker sores
- Far less common than minor canker sores, these sores are typically bigger and can last for more than two weeks and leave behind extensive scarring. They’re usually round with defined borders but can have irregular edges when they’re larger. These can be extremely painful.
- Herpetiform canker sores
- This type is far less common and usually develops later on in life. Despite the name, they are not actually caused by the herpes virus. These appear in clusters of 10 to 100 sores, are often pinpoint in size, and sometimes merge into one larger ulcer. They also have irregular edges and can heal without scarring in one to two weeks.
Canker sores can be painful and often make eating and talking uncomfortable. Although the exact cause of most canker sores is unknown, there are a number of things that may play a factor.
For minor sores, these include:
- Tissue injury from a sharp tooth or dental appliance
- Certain acidic fruits and vegetables
- Nonsteroidal anti-inflammatory drugs like ibuprofen
- Allergy to something like your food, toothpaste, or mouthwash.
Canker sores as a whole are relatively common, with about 1 in 5 people getting them regularly. They are more common in women, perhaps due to differences in hormones, and can even run in families.
Are cold sores the same thing as canker sores?
No. Although these sores are often confused with each other, they are not the same. Cold sores, also called fever blisters or herpes simplex type 1, are groups of painful, fluid-filled blisters. Cold sores are caused by a virus and are extremely contagious. Canker sores are not caused by an infection and are not contagious. Also, cold sores typically appear outside the mouth — usually, under the nose, around the lips, or under the chin, while canker sores occur inside the mouth.
Conclusion and when to see a doctor
Although most canker sores are completely harmless, there are some situations when it would be good to visit your dentist or general practitioner to have them examined. If the sores are unusually large, they recur frequently, last for more than two weeks, extend to the lips, cause pain you can’t control with self-care measures, cause difficulty with eating or drinking, or you have a high fever alongside the canker sore, it’s necessary to have it checked by your doctor.
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