Circular Skin Rash on Arm

by Erin
(NY)

Unknown Circular Skin Rash on Arm

Unknown Circular Skin Rash on Arm

Can anyone help me identify what this is on my arm? It is perfectly circular and about a size of a quarter. It appeared out of nowhere and it is all red. It does not itch but is tender to the touch. Can anyone tell me what it might be, such as a bite of some sort or allergic reaction to something, etc.

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Circular Skin Rash on Arm

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Jan 10, 2012
 Same Circular Rash
by: Anonymous

I had a patch suddenly appear. First it looked like a scar then it got red around the edges. I treated it like ringworm, but it didn't get better nor did it spread. I thought it might be a "Christmas tree rash" but I never got the small rash that follows a few weeks after. Perhaps it is nummular eczema?
Nov 04, 2011
 Diagnosis of Circular Skin Rash
by: Anonymous

It could be erythema annulare centrifugum.
Oct 20, 2011
 Same Quarter Sized Skin Rash on Arm
by: Anonymous

I had the same exact quarter-sized rash on my arm as well. Now, probably related, I have smaller (anywhere from pinpoint to dime sized) red spots all over my arms, front torso, upper (I mean WAY upper, and inner) thighs, armpits, and neck. WHAT IS THIS?

It is NOT itchy (at least, I don't feel more itchy than I normally would from day to day without the spots).
Jun 15, 2011
 Circular Skin Rash not Ringworm
by: Anonymous

My boyfriend has the same thing on his arm, which is why I have been looking it up. He thought it was a ringworm skin rash problem and put on the creams and antifungal products to treat it but nothing has helped. I have touched the affected skin area on his arm and I did not develop any kind of skin rash at all so I know it is likely not contagious. I do not know what this circular skin rash on his arm is! He said it showed up one night after he was at the gym, so maybe it could have been a contagious fungus and now that he's had it for a while it is no longer contagious? WHO KNOWS? I would appreciate any helpful suggestions on what this skin rash problem is and how to treat it.
Feb 21, 2011
 Circular Red Rash
by: Arlene

I have a circular red rash about the size of a quarter on my left foot. I thought, at first, it was due to my shoe, but I change my shoes often enough. It has a very tiny red dot, almost invisible to the human eye. Doesn't itch, but it's not going away. Do I need to see a doctor?

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Dec 30, 2010
 Rash
by: Anonymous

How long have you had this, and has it always been this dark. Was it a lighter pink at one time.
Mar 27, 2010
 VERY CONCERNED!!!
by: Anonymous

I am going through the same things as well and I do not know what it could be. It started off as a little mark that sort of looked like a ringworm rash and then it spread and now looks just like the picture above. It itches from time to time and it is pretty embarrassing! Can you help me and give me an idea of what it may be or what cuased it.

Dec 15, 2009
 Ringworm Skin Rash
by: Anonymous

It could be ringworm. If you've never heard of ringworm, I'll assure you it has nothing to do with worms. It is contagious however. Antifungal cream or antiseptic will help get rid of it if that's the case. Visit this link for more information.

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