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Red rashes on shoulders and arm

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Hi, i've these red rashes around my shoulders and below my arm. Usually when this appears i'll just leave it for a few days and it will usually go off but this time it stayed almost for 5 days now. It gives a bumpy feeling when you touches it like a swell and it doesn't itches at first but when i scratches it, it will start to itch and the itch just get worst and worst. Another thing is that it is light red at first and after I scratches it it swells up and have a really intense red like it was being stung. Please help me on this, i've been getting sleepless nights because if this.

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replied December 2nd, 2009
Skin Answer A8167
It is very difficult to confirm a diagnosis without examination but since you are providing the history that it recurs often, so contact dermatitis needs to be ruled out. It is the reaction of the skin to irritants or allergens. Other possibilities which can present with such itchy rash on shoulders and arms are hives(which can appear due to idiopathic causes), heat rash, eczema, seborrheic dermatitis, and viral infections. Even dry skin or xerosis can cause such itchy rashes.

Treatment is diagnosis specific and hence you should consult a dermatologist to get it examined. I sincerely hope that helps. Take care and regards.

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