An aphthous ulcer is a small, shallow lesion that develops on the soft tissues of your mouth—like your gums, tongue, or the inside of your cheeks. Unlike cold sores, they are not contagious and cannot be spread through kissing or sharing drinks.
The ulcers are unusually large (over 1cm) or are accompanied by a high fever.
Canker sores are a literal pain, but they’re usually a temporary signal from your body to slow down and stay hydrated. By managing your stress and keeping a few home remedies in your toolkit, you can get back to eating and speaking without the sting.
Mix 1 teaspoon of salt or baking soda in half a cup of warm water to help dry out the sore and neutralize acidity.
Typically round or oval with a white or yellow center and a red, inflamed border.
Deficiencies in Vitamin B12, zinc, iron, or folic acid are frequent culprits.
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