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What causes ulcer in the mouth frequently?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am getting an ulcer on the inner cheek of the mouth. It disappears on the second day. But, again reappears after 1 or 2 days. It is about 29th time I am getting the same place ulcer within three months.

Please guide.

Answered by Dr. Beryl F

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

It could be a common aphthous ulcer also know as canker sore. It has various causative factors such as deficiency of vitamin, hormonal imbalance, psychological reasons such as stress, some kind of allergy such as for food or paste or mouthwash, accidental trauma, injury caused by the sharp cusp of tooth, and bacterial infection.

Your problem could be any of the above. To know the exact reason, kindly get a clinical examination and blood report. Appropriate supplements will be suggested if the reason is either anemia or nutrition deficiency. In case of constant poking of sharp tooth, it will be either polished or filled.

Meanwhile, observe the following to avoid further pain and recurrence. Please avoid hot and spicy foods and take lots of water to keep yourself hydrated. Rinse your mouth after every meal or do saline mouth rinse thrice daily.

If the ulcer hurts, a topical anesthetic like Dolojel or Hexigel can be applied over the ulcer with a clean finger. Visit your nearest dentist as soon as possible and get a complete oral examination done to identify the cause.

I hope this helps you.

Thank you.

Answered by Dr. Beryl F
Medically reviewed by Dr. Hemalatha
Published At January 16, 2020
Reviewed At June 2, 2026

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

Education:

BDS

Professional Bio:

Dr. Hemalatha is a dedicated Dental Surgeon with expertise in preventive, restorative, and cosmetic dental care. She is passionate about promoting oral health and creating personalized treatment plans to suit each patient’s needs. Her clinical approach emphasizes patient comfort, precision, and long-term dental wellness, ensuring a positive and reassuring experience for every individual under her care.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

BDS

Professional Bio:

Dr. Beryl F is a Dental Surgeon with nine years of clinical experience. She is an expert in diagnosing, preventing, and treating diseases, disorders, and conditions of the oral cavity and adjacent structures and tissues, particularly in the maxillofacial area. She completed her BDS from The Tamilnadu Dr. M. G. R. Medical University, Chennai.

This doctor is not available for online consultations on the platform anymore.

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