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Doctors' Answers to "Frequently Asked Questions" - Aptha
Answer: Apthous ulcers in the mouth are a chronic problem in some people. These can he caused by recurrent viruses(particularly herpes), different collagen vascular diseases, or usually unknown causes. It would be useful to culture an ulcer-if it is herpes treatment for herpes can be very effective. If no agent can be demonstrated, local treatment with benadryl or viscous xylocaine is helpful in treating the pain.