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2. Canker Sores

Canker sores or aphthous ulcers look bad and can be very painful, but they are not contagious. Numerous factors can cause them, including drug and food allergies and stress. Most are minor and do not need treatment — they should clear up in a week or two — but if they are recurrent or many develop at once, doctors may recommend a medicated mouth rinse.

Sore Tongue? Here Are 10 Possible Explanations

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Disclaimer

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.