ADVICE PLEASE

so I've been good for about 2 yrs now I had PPD when I had my daughter she is almost 4.up until last month I started with really bad anxiety and depression i tried zoloft but I felt horrible.they now want me to try mertizapne I was suppose to take it last might but choose not to I'm to afraid of the side effects again.so I'm wondering will i get better with out any medication???

also zoloft killed my sex drive.