hives do not spread when you scratch them (although there are types of hives that can be caused by skin pressure). most of the time hives are caused by something you have eating breathed or touched (i know. hundreds of possibilities) and will respond to oral antihistamines.
can you spread hives on yourself by scratching similar to poison ivy? . first time i've every had them. they're from a medicine reaction and i starting scratching without thinking! they're even on the palms of my hands. maddening! and i'm snowed in and won't be able to get a remedy for a day or so. any insight would be appreciated.