Cantankerous About Canker Sores
Extremely painful and often misunderstood, canker sores (also known as aphthous ulcers or mouth ulcers) are oval or round shallow lesions within the mouth that are white, gray, or yellow in the center with a red border.
So…they’re the same as cold sores right?
Wrong. Canker sores are not, I repeat…not the same as cold sores. Canker sores occur inside the mouth, while cold sores appear under the nose and around the mouth. Also, cold sores are caused by the herpes simplex virus (type 1) and are highly contagious. The cause of canker sores is unknown and they are not contagious.
Types of canker sores:
Simple or minor canker sores are the most common type of canker sore and they are usually less than 1/3-inch wide. These sores normally clear up in about 2 weeks.
Major canker sores are large lesions (greater than 2 cm in diameter) that have an irregular border. These sores can last months or even years and may cause extensive scarring.
Herpetiform canker sores are clusters of dozens of small lesions that may coalesce or merge to form a single large ulcer. These ulcers usually develop later in life and may last from one week to a month or even longer.
Canker Sore Symptoms:
• A tingling or burning sensation will occur before the ulcer forms
• Painful red bump(s) that may occur on the soft palate, the tongue, or inside your cheeks
• Sores are usually under 1 cm but may be larger
• The sore may turn gray before healing
• Fever
• Lethargy
• Painful swelling of the lymph nodes
Canker Sore Causes:
The cause of canker sores is unknown. They occur more frequently in women than in men. Although mouth ulcers can occur at any age, they usually appear between the ages of 10 and 40.
Canker sores may occur due to heredity. 50% of people with canker sores have a family member with the same affliction.
Oftentimes canker sores are triggered by something. The most common trigger is trauma to the mouth—accidental biting, aggressive cleaning and sharp dental appliances.
Stress, hormones, nutritional deficiencies (usually iron or folic acid), food allergies and other problems can all trigger the occurrence of a canker sore.
Home Remedies and Tips
These are some of recommendations and remedies:
Ditch your toothpaste. The majority of toothpastes on the market contain sodium lauryl sulfate (SLS) which is simply a detergent that makes your toothpaste foam. I use and would wholeheartedly recommend Biotène toothpaste and mouthwash. It doesn’t contain any SLS and it’s a gentle formula. So, if you can live without foam mouth, then switch your toothpaste.
Another good rinse is Ulcer ease (CVS). It works great as a mouthwash and it takes the pain away.
Also, try to stay away from acidic fruits and vegetables when you have a canker sore because they can trigger the emergence of one or they can make the problem worse.
Licorice root can be obtained over-the-counter in medicated disk patches and may help heal or reduce the growth of canker sores when used during the early stages of the sore.
Peroxide gargle. Mix 3 parts water and one part hydrogen peroxide will help ward off harmful bacteria. Gargle and swish around your mouth and then spit out. Do not swallow.
Swish a tablespoon of milk of magnesia around your mouth to coat the ulcer. Use this method early on before a red ring develops around the sore (a sign of infection). Do not use on an infected canker sore.
Place a wet tea bag (black tea) on the sore. The tannic acid found in black tea works as an astringent to help relieve pain.
—Nolan













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