all medicines result in a vomit fest...

i’m 24 weeks, and i throw up every. single. medicine. i put into my body. my ob prescribed me an antidepressant i had been on before, throw it up. my ob prescribed me an antibiotic for an uri, throw it up. if i take tylenol for a headache, i throw it up. is this normal? how can i take my antibiotic if they just make me really sick?