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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Itching Painful Bump In Underarm?

hello, a week or two ago my left undrarn had started itching quiet a bit, later in the week i had what looked like a red bump small one, it started itching pretty regular, now i have a round knot about the size of a dime, if you scratch it it is very painfull, plus it is pretty sore i have to keep my arm up so it dont make it hurt, i have not used any deodrant at all except baby powder, seems to help a little, never had anything like this before, any suggestions,
Tue, 22 Jul 2014
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Infectious Diseases Specialist,  's  Response
Hello,
Welcome to HCM,

There are many things that could cause the skin to itch. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin of the arm pit.

You have to undergo complete evaluation by a professional for proper diagnosis and treatment.

The remedy would be related to the proper diagnosis. if you had a fungal infection causing your itchiness than an anti-fungal cream would be helpful. If you had an inflammatory dermatitis causing your itch, then a steroid cream may help.

Thank you.
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What Causes Itching Painful Bump In Underarm?

Hello, Welcome to HCM, There are many things that could cause the skin to itch. Several types of inflammatory conditions of the skin, allergic reactions, and sometimes bacterial, viral or fungal infections can cause rashes on the skin of the arm pit. You have to undergo complete evaluation by a professional for proper diagnosis and treatment. The remedy would be related to the proper diagnosis. if you had a fungal infection causing your itchiness than an anti-fungal cream would be helpful. If you had an inflammatory dermatitis causing your itch, then a steroid cream may help. Thank you.