What are alternatives to antihistimines for severe itching? can't tolerate the weight gain.or drowsiness. make self bleed from urgent scratching.

Try fexofenadine: Thiis antihistamine is non-sedating for the vast majority of people and has the convenience of once daily dosing.It is also available otc. Cimetidine (tagamet) is a distant antihistimine more often used for stomach issues but has been used with chronic urticaria in the past and may be of some health. Please consult with your doc and make sure none of these conflict with other meds you may use.

Itching: What are you itchy from? If you can use topical calamine lotion or topical caladryl that may help. Perhaps use a nondrowsy antihistamine in a pediatric dose to see if you get some relief without the other side effects. Good luck.