Canker Sore (Aphthous Ulcer)
There are aphthous ulcers (canker sores) on the right of the image at the corner of the mouth, just below the…
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Diseases commonly found around the mouth of children are seen below. The inside of the mouth (mucosa) is sensitive to injury, and harmless cysts filled with mucus (mucoceles) can form as a result, as well as ulcers in the mouth (canker sores). Yeast infections (thrush) can also thrive in the mouth since the membranes provide a moist environment. Viruses can cause lesions such as the blisters seen in hand-foot-and-mouth disease or cold sores from the herpes simplex virus. To learn more about these diseases, click a photo below.