Help!!!!

Im 6 weeks pregnant and have severe nausea and vommiting been to the ER they gave me zofran and couple days later i fount out Zofran is not safe for pregnant women it creates abnormalities in the fetus so many advertises on how people are calling lawyers and how it should not be taken!!! What do i do what medicine can i take my primary prescribed the same med and the selected ob wont take me till.im 7weeks!!!! I feel like crying so much am.in so much pain