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Mouth ulcers are painful sores that appear in the mouth. While there are a lot of causes and symptoms of mouth ulcers, some are more common than others. Despite being sore enough to interfere with eating, ulcers aren't serious, and you can manage them at home. Medical intervention is only necessary if ulcers last more than a week. Ulcers show up in a variety of colors and appear as round sores on the tongue, inner cheeks, or lip. Mouth ulcers are not cold sores and should not be mistaken as such.

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1. Viral Infections

One of the most common causes of a mouth ulcer is the cold sore. Along with other viral infections such as chickenpox, cold sores are something we all get. While ulcers generally do not look like cold sores, the herpes simplex virus that causes them can also cause ulcers. One of the best treatments for an ulcer, particularly when you've come down with a virus, is to eat a plain diet, avoiding salty or acidic food and drink until the ulcer calms down.

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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 health-care professional.