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What causes a person to all of a sudden just break out in hives?

1311386552 64 What causes a person to all of a sudden just break out in hives?

I will just be sitting their and all of a sudden, i will get these bumps that appear just like that and they will be really itchy and then as quick as they appeared, they are gone? what is this and why does it happen?

If you want to research it yourself, it's called "urticaria". If there's not something obvious, usually no cause is found and so it's then called "idiopathic urticaria".

Well, often hives is an allergic reaction. the problem is finding out to what.

I remember for a week many years ago I kept breaking out in hives. but I have no idea what I was allergic to. Suddenly it stopped.

If this problem is going on for more than a month, go see an allergist. they will do a test (commonly called a "scratch test") that will tell you what you are allergic to. I had this done a couple of years ago … I'm apparently allergic to everything except cockroaches and household dust! (Don't ask.)

Now are these just little bumps (say like little pimple sizes)? Normally hives are much larger and flatter, like welts (think nickel sized or bigger).

Anyway, good luck.

try switching to unscented soaps and detergeant. one of these is usually the cause.

What causes a person to all of a sudden just break out in hives?

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