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Dr. Saha
Dr. Saha, Doctor (MD)
Category: Health
Satisfied Customers: 17799
Experience:  35 years of experience
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I consistently develop ulcers in the back of my throat, tonsils,

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I consistently develop ulcers in the back of my throat, tonsils, uvula, and soft palette. It really hurts when I eat or swallow and the pain comes and goes in waves throughout the day. What could be causing this and how can I prevent it?

Thank you for your question,

I’m Dr. Saha and I’ll try to help you.

When did you start having these ulcers?

How frequently?

Did you consult doctor?

How large are the ulcers?

Do you have any other symptom or past illness?
Customer: replied 3 years ago.

I have had them off and on for a few years. I probably get one or more that last a couple of weeks every three months or so. They are white like canker sores and are not large. The largest one I have had was about the diameter and circumference of a pencil eraser. They often occur after a stressful period of time at work and/or school.


Customer: replied 3 years ago.

I haven't had any past illness.

Customer: replied 3 years ago.

I had one doctor tell me that it may be a reaction to something I was eating.

Thank you Tom, for all the information,

The ulcers are likely to be due to aphthous stomatitis or canker sores.

This can recur over years.

The other causes may be due to infection from virus like herpes, vasculitis, allergy etc.

Aphthous ulcers can be very painful.

I would suggest to have a treatment plan after consulting doctor or a dentist.

Different medications are used to treat canker sores.

Prescription anti-inflammatory gels containing steroids are used.

Systemic or oral agents such as Prednisone , Colchicine, Montelukast sodium, azathioprine, have been used to treat it.

Kaopectate can help to prevent recurrence & healing too.

Till you see doctor you can use Oragel which is available otc.

You should avoid hard or sharp foods that may irritate ulcers.

Avoiding salt and hot spices can help to reduce the pain.

I hope this information helps.

I will be happy to assist, if you need any clarification.

Please feel free for any follow up query.

Best wishes.
Customer: replied 3 years ago.

Thank you so much for the info. I will ask a doctor about the oral agents. Are there any vitamins or dietary modifications that could help prevent them?


Hello Tom,



You can maintain a diary and note the food items when your symptoms get exacerbated.


Next time, try to avoid those food.


B vitamin supplement can be taken.

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