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What Is The Cause Of Rashes On Legs And Back That Itch?
Hi, I get tenses rashes that looks like measles but wide and long under my bra straps, pant lines and on the back of my legs and all over my back. This has been happening when I come home and downstairs.. It seems like it lingers for hours and it itches like crazy
posted on
Sat, 24 Aug 2013
Medically reviewed by
Ask A Doctor - 24x7 Medical Review Team
Fri, 7 Feb 2014
Answered on
Sat, 8 Feb 2014
Last reviewed on
Hello,
Welcome to healthcare magic.
From your history and description, the possible differential diagnoses I can think of are pressure urticaria and contact dermatitis.
Pressure urticaria presents with raised, itchy rashes (hives) at the sites of pressure (usually the bra straps and waistline where a belt is tied, back of thighs if you have sitting for a prolonged period, etc). It lasts for a few hours and disappears. The exact cause is unknown and it can persist for years. You could benefit from taking an antihistamine like levocetrizine or loratidine.
Contact dermatitis could occur due to allergy to the elastic material in the bra strap and undergarments. It presents as itchy, diffuse rashes which generally persist.
Please consult a good dermatologist and try to confirm the diagnosis so that you can treat appropriately.
Hope this helps you.
Take care.
Welcome to healthcare magic.
From your history and description, the possible differential diagnoses I can think of are pressure urticaria and contact dermatitis.
Pressure urticaria presents with raised, itchy rashes (hives) at the sites of pressure (usually the bra straps and waistline where a belt is tied, back of thighs if you have sitting for a prolonged period, etc). It lasts for a few hours and disappears. The exact cause is unknown and it can persist for years. You could benefit from taking an antihistamine like levocetrizine or loratidine.
Contact dermatitis could occur due to allergy to the elastic material in the bra strap and undergarments. It presents as itchy, diffuse rashes which generally persist.
Please consult a good dermatologist and try to confirm the diagnosis so that you can treat appropriately.
Hope this helps you.
Take care.
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