hi you mean can an antihistamine cause hives answer is yes they can it just means you need to find one that does not bit of a mine field but its your only way to go. you just need to see what's in yours then fins the next one that does not have the same drug in it. hope this helps you. good luck
how can an antihistamine cause hives? . when i take zertech i break out in hives from head to toe?