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What Causes A Cluster Of Small Red Bumps Under The Armpit?

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Posted on Wed, 20 Apr 2016
Question: I had several small red bumps under my armpits on Thursday. On Friday it became a larger red bump. Yesterday some of the bumps have moved down my arms. some are circular. The redness under my armpits have gone, but it's now spreading down my arms. it's also in my groin area, but not spreading down my legs. I went to urgent care yesterday and they did blood tests and said that my blood work came back with white cells fine.
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Answered by Dr. Kathy Robinson (1 hour later)
Brief Answer:
ringworm

Detailed Answer:
Hello and thank you for your question.
To me these areas look like typical ringworm. Ringworm is not a worm but a fungal/yeast infection called tinea corporis. It is easily treated with antifungal medications. The most effective one you can buy is over the counter and it is called terbinifine or Lamisil. Use a small amount on all the patches twice a day. Use it until they are gone and then for about another week. This cream is expensive so really just use a thin layer, that is all you need. It may say on the packaging that it is for jock itch, but really it is just a very good antifungal medication.
I hope you get some relief soon
Dr. Robinson
Note: Hope the answers resolves your concerns, however for further guidance of skin related queries consult our Dermatologist.Click here to book a consultation

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar
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Answered by
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Dr. Kathy Robinson

General & Family Physician

Practicing since :1989

Answered : 3535 Questions

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What Causes A Cluster Of Small Red Bumps Under The Armpit?

Brief Answer: ringworm Detailed Answer: Hello and thank you for your question. To me these areas look like typical ringworm. Ringworm is not a worm but a fungal/yeast infection called tinea corporis. It is easily treated with antifungal medications. The most effective one you can buy is over the counter and it is called terbinifine or Lamisil. Use a small amount on all the patches twice a day. Use it until they are gone and then for about another week. This cream is expensive so really just use a thin layer, that is all you need. It may say on the packaging that it is for jock itch, but really it is just a very good antifungal medication. I hope you get some relief soon Dr. Robinson