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Red Inflamed rash

At least every month, most commonly after prolonged sex, I develop a large red, inflamed rash in between my buttocks. It's itchy and feels very raw. I've noticed that there are possibly large blisters that usually go away and don't break when the inflammation goes down. I've gone to my doctor to have a herpes blood test and told her about my symptoms but she doesn't' seem to listen to me and was pretty insistent that this was acne, which I don't think it is. The rash goes away on it's own in about 1-2 weeks but I've noticed there has been discoloration that stays. This has been going on for almost a year now. Any insight would be appreciated. Thanks!
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563773 tn?1374246539
MEDICAL PROFESSIONAL
Hello,
It can be due to friction rub or chafing during rough intercourse. Chafing occurs when the skin becomes irritated by the friction caused by rubbing – either against other skin or against a foreign material. Wash the areas several times with fresh water.

Do not use any cosmetic products at the sites. You can apply some calamine lotion at the rash as it will help in soothing the skin. Also wear cotton undergarments. Application of mild corticosteroid cream and oral antiinflammatories like ibuprofen/acetaminophen are also helpful. If the symptoms are severe then it will be best to consult a dermatologist.

It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your dermatologist. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.


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Avatar universal
I just found out my herpes blood test came back negative. So I really have no idea what this could be.
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Avatar universal
I also forgot to add that it always reoccurs in the same location and with the same shape.

Thanks.
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