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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Red Blotchy Rashes On The Leg?

I was sitting on my couch when I felt my leg sting. I thought that it was nothing but then the stinging got worse. I got up and checked my couch for a bug/insect but I didn t find anything. I looked at my leg and saw that there was a big red (kind of red and blotchy) area. I couldn t find anything in my leg though (like a stinger). So I used a flashlight and a magnifier glass and I still can t see anything, but when I lightly swipe over the red area with my hand I can feel a small part of my leg stinging.. Am I going crazy or do you think I was stung by something, if so what do I do?
Sat, 2 Dec 2017
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Dermatologist,  's  Response
Hi.
As per your case history you are having papular urticaria.
My treatment advice is -
1. Wear full sleeve clothes to avoid further such episodes.
2. Apply a mild antibiotic plus steroid cream like fusiderm-b cream twice daily on affected skin.
3. Take an antihistamine medication like levocetrizine twice daily for 7-10 days.
4. Other treatment options are oral antibiotics, oral steroid taken only after consulting a dermatologist.

Thanks.
Dr. Harshit bhachech.
MBBS, DDVL.
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What Causes Red Blotchy Rashes On The Leg?

Hi. As per your case history you are having papular urticaria. My treatment advice is - 1. Wear full sleeve clothes to avoid further such episodes. 2. Apply a mild antibiotic plus steroid cream like fusiderm-b cream twice daily on affected skin. 3. Take an antihistamine medication like levocetrizine twice daily for 7-10 days. 4. Other treatment options are oral antibiotics, oral steroid taken only after consulting a dermatologist. Thanks. Dr. Harshit bhachech. MBBS, DDVL.