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Why has my long-standing mole become painful and swollen?

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

Patient's Query

Hello doctor,

I have a large mole on my chest that started 30 years ago, but this month it has changed. The skin seems a little detached, like a blister. It is swollen and very sore. I am really worried. What steps should I take to manage this?.

Kindly help.

Hello,

Welcome to icliniq.com.

I understand your concern.

I am really glad you did not ignore this change, because a long-standing mole that suddenly changes, becomes swollen, blister-like, and painful always deserves careful attention, especially at your age. I understand how worrying and uncomfortable this must feel.

From what you describe, there are two important possibilities we need to think about. One is that the mole may have become inflamed or secondarily infected, which can cause swelling, soreness, and a blistered or detached surface. The other, and more important to rule out, is that any recent change in a mole (pain, swelling, surface breakdown, rapid change) can sometimes signal a serious underlying skin condition, which means this should not be ignored or only treated at home. Because of this, I would strongly advise an in-person dermatology examination as soon as possible, even if symptoms improve.

  • To manage it, apply Fusidic acid cream or ointment twice daily for seven days to help control possible surface infection and reduce inflammation.

  • For pain and swelling, take tablet Diclofenac and Serratiopeptidase (double strength) twice daily for three days.

  • Take Paracetamol twice daily for three to four days for pain relief.

  • Keep the area clean and dry.

  • Avoid friction from clothing.

  • Do not attempt to puncture, scratch, or peel the lesion.

However, please understand this clearly: topical and pain medications are not a substitute for proper evaluation. Because this mole has changed after decades of stability, I strongly recommend that you see a dermatologist urgently for examination and, if needed, dermoscopy or biopsy. To help guide you further right now, please share a clear photograph of the mole taken in good lighting and from a close distance.

I hope you are satisfied with my answer. For further queries, you can consult me at iCliniq.

Thank you.

Answered byDr. Misha Saghir

Medically reviewed byiCliniq medical review team

Published At April 3, 2026
Reviewed AtApril 3, 2026

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