Hello, thank you for your question.

Based on the above information, we understand your concern about the problem you’re currently facing. For your information, canker sore also known as aphthous ulcer is a condition in which small wounds that can be painful and it can occur on the inner side of the lips, under the tongue and gums. The small wounds can be caused by injuries due to many possible causes. These include:

• Hypersensitivity. For example, sensitivity to the content of sodium lauryl sulfate in some dentures
• Physical or emotional stress
• Dehydration due to lack of drinking or hot weather.

You can identify and avoid these factors that may contribute to the ulcer. If this happens too often, you should consult your doctor for further examination for proper and effective treatment.

In order for us to provide you with an accurate choice of treatment and management, we need additional details to explore further into your current complaints. Therefore, we greatly suggest that you refer this to your nearest medical doctor. You may also click on this link (DoctorOnCall) to speak with our doctors online. We assure you that our conversations are kept in confidentiality unless additional consultation needed with other medical parties. Thank you.