I feel bad for using medication

I am 9 weeks pregnant and have been on zofran and promethazine for severe morning sickness. I was talking to my mother in law and she told me she was sick all of her pregnancies and the doctor prescribed her medicine but she would never take and it kind of made me feel bad about taking medicine but my doctor told me if I kept throwing up I was going to be hospitalized I couldn’t keep even water down so I felt there was no other option nothing else was working.