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ChocolateReigns's avatar

What is this weird red blotch on my sister's arm?

Asked by ChocolateReigns (5624points) February 18th, 2010

We just noticed it today.
She’s 9
It doesn’t itch
It doesn’t hurt to touch or push on it
But it looks really weird. It’s red with brighter red spots all over. It’s only on this one part of her arm, and nowhere else on her body.
I just thought of this, though – what does the chicken pox look like? We know a family that just got over them, and neither my sister or I have had the chicken pox before.

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24 Answers

stump's avatar

Have a doctor look at it.

ChocolateReigns's avatar

Well, I just looked the chicken pox up online (I could’ve done that before duh!) and it looks nothing like that.

Nullo's avatar

Probably a rash or inflammation. Probably not horribly serious, but you still ought to get it looked at.

erichw1504's avatar


shmofro's avatar

It sounds like ringworm, which my little sister had. Don’t freak out, it’s not actually a worm but it’s a round and bigger red spot then a chicken pox spot, thus the name. It comes from pets. If it is ringworm you need to go to a doctor to get ointment for it. Oh, and it’s pretty contagious!

Just_Justine's avatar

a spider bite?

ChocolateReigns's avatar

@shmofro That sounds possible – we just got a new puppy yesterday.

Val123's avatar

Red crazy glue?

Val123's avatar

I know! I know! She gave herself a hickey!

MissAusten's avatar

My guess would be eczema or ringworm, based on the description.

ChocolateReigns's avatar

Well then, it’s not ringworm. It’s not in any special shape, just…blotchy. I don’t know how to describe it. Here – I’ll take a picture and put it on Flickr if I can get it to work.

Cruiser's avatar

To me it sounds like it could be a contact dermatitis or reaction to something she came in contact with. Chemical rashes or chemical burns do look a lot like what you are describing. Ask her if she was around any chemicals or cleaners.

ChocolateReigns's avatar

@Cruiser We don’t think she was around any chemicals….

here is a link to the picture.

Val123's avatar

Are those blister things in the middle? Other than that it looks like a scrape.

ChocolateReigns's avatar

@Val123 There aren’t any real blisters, because it doesn’t hurt at all. And it’s not a scrape, because it’s the exact same texture of the rest of the skin.

Nullo's avatar

Looks mostly harmless.
Is it warm to the touch?

Good to know that it wasn’t this. PG-rated, but may still be NSFW for grossness.

Val123's avatar

But are there blister-looking things there?

ChocolateReigns's avatar

@Nullo It’s warm to the touch, but all her skin is, too.

@Val123 Well, I guess that would depend on your definition of what a blister is…All there is inside the red blotch is darker red spots. That picture was taken earlier today, and now it’s all a darker red (but there’s still the spots) than it was earlier.

Pseudonym's avatar

Go to a doctor. It’s quite possibly Henoch-Schoenlein Purpura, or HSP. I got it when I was 12.

It starts as a red rash that one typically doesn’t feel. It is found almost always in children. When I had it, I had to go to the hospital for two nights, but afterwards I was fine. The rash will probably come back in phases, but she should be okay.

Pseudonym's avatar

Just looked at the picture – looks like HSP, all right.

Nullo's avatar

I think that HSP is darker.

Pseudonym's avatar

@Nullo The picture definetely looks like what I had, and she did say that the blotches got darker since the picture was taken.

StephK's avatar

i have no idea why i’m so fascinated with this question. Good luck in figuring out what it is.

CJudd's avatar

I don’t have an answer for this but I have this too. It just “appears”. you look at your arm one day and it’s normal the next day you wake up and it’s there. I get this on both forearms. Sometimes one arm sometimes two. It doesn’t itch, burn or feel any different than any other skin on me. It may be there for a few hours or a few days then it’s gone again. I don’t want to go to emergency but by the time I can get into a doctor it’s gone.

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