Dramamine for morning sickness

I've been having severe morning sickness for the last 2 weeks. It's all day and I'm having a hard time keeping anything down, so my doctor said Dramamine is safe and that I could take that. So I've been taking it the last 3 days and it works, I can eat & feel okay. But is it safe to take every day? If I don't take it I end up sick all day long.