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What could cause an ulcer on the feet?

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

Patient's Query

Hello doctor,

I got a blister two days ago, and it became an ulcer in one day. I was really careful not to let it rub anywhere. I wanted to get your opinion on whether it might be pyoderma gangrenosum.

Kindly help.

Hello,

Welcome to icliniq.com.

I read your query and understood your concern.

It seems you are suffering from an erosive ulcer.

I would like to know the following:

1. Do you have any injuries or burns from the past?

2. Do you have any vesiculobullous disorders?

3. Do you suffer from pain?

4. Do you experience oozing from the ulcer?

5. Do you have a fever?

6. Are you a known case of diabetes?

In addition, you can do the following:

1. Apply Mupirocin (antibiotic) cream twice daily for 10 days.

2. Clean the area with a povidone-iodine solution and cotton gauze pieces daily for 10 days.

3. Tablet Lim-o (vitamin C and zinc) once daily after breakfast for 30 days.

4. Avoid injury to the ulcer area.

5. Maintain proper hygiene.

6. Avoid occlusive footwear.

7. Avoid friction.

7. Do not scratch or rub the lesion.

8. Keep checking on sugar levels.

9. Take a tablet of Roxid (Roxithromycin antibiotic) 150 mg (milligrams) twice daily after food for five days.

10. Take a tablet of Emanzen D (serratiopeptidase with diclofenac sodium) twice daily for three days (if pain).

I suggest you consult your specialist doctor, discuss with him or her, and take the medicines with their consent.

I hope this information will help you.

Thank you.

Patient's Query

Hello doctor,

Thank you for your suggestions.

I have not experienced any past injuries or burns, vesiculobullous disorder, oozing, or fever. I have experienced mild pain, and I am diabetic. This is the second time now. I have experienced a blister on my feet that turned into an ulcer, despite taking precautions to prevent it from rubbing. I have had the same shoes for five months now. What to do?

Hello,

Welcome back to icliniq.com.

From your description, your condition appears to be a frictional burn due to chronic friction or occlusive footwear. In addition, you can do the following:

1. Wear loose comfortable footwear.

2. Avoid tight-fitting footwear.

3. Avoid injury or trauma to the foot.

4. Avoid occlusion or friction.

5. Do not scratch or rub the lesions.

6. Apply Mupirocin (antibiotic) ointment twice daily for 10 days.

7. Capsule Zinc 110 mg (milligrams) once a day after dinner for 30 days.

8. Increase vitamin C intake in your diet.

9. Avoid stress and make yourself stress-free, as stress is a big contributing factor.

I suggest you consult your specialist doctor, discuss with him or her, and take the medicines with their consent.

I hope this information will help you.

Thank you.

Patient's Query

Hi doctor,

Thank you for your reply. I hope you are well.

I have attached up-to-date pictures of my ulcer and some relevant information. I am very suspicious of this being pyoderma gangrenosum, especially another spontaneous blister forming right next to the current ulcer.

I would really appreciate your opinion.

Thank you.

Hi,

Welcome to icliniq.com.

I can understand your concern.

Pyoderma gangrenosum is a chronic, recurrent, idiopathic (unknown origin), sterile ulcerating condition. Treatment includes wound care, topical therapy-high potent steroids, Tacrolimus (immunosuppressant) or intralesional Cyclosporine (immunosuppressant). Some methods to follow wound care can include:

1. Maintain proper hygiene.

2. Do not scratch or rub the lesions.

3. Apply Liquid paraffin lotion after bath for 20 days.

4. Apply Clobetasol propionate cream at night (corticosteroid) for two weeks.

5. Apply Tacrolimus 0.1 percent gel (immunosuppressant) at daytime for two weeks.

6. Tablet Limcee (vitamin C) once daily after breakfast for 30 days. Consult your doctor and take the medicines accordingly.

7. Moisturize skin frequently.

8. Avoid injury, friction, pressure or trauma.

9. Avoid occlusive (unventilated) footwear.

I hope that you get your answer.

Please let me know if you need some help.

Thank you.

Patient's Query

Hi doctor,

Thank you for the help.

But I wanted your opinion on whether it could be Pyoderma, or what do you think it could be?

Thank you.

Hi,

Welcome back to icliniq.com.

I can understand your concern.

It appears to be Pyoderma gangrenosum (a minor variant). The cause could be vascular insufficiency, trauma, or necrotic tissue. Follow the previously mentioned treatment plan.

1. Avoid injury to the foot.

2. Avoid friction or pressure.

3. Wear comfortable sandals.

I hope that you get your answer.

Please let me know if you need some help.

Thank you.

Medically reviewed byiCliniq medical review team

Published At May 31, 2024
Reviewed AtJuly 2, 2024

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