A member asked:

Does nitrofuran monohyd macro make beyaz (drospirenone and ethinyl estradiol and levomefolate) the birthcontrol pills less effective ?

A doctor has provided 1 answer
Dr. Victor Bonuel answered

Specializes in Internal Medicine

Nitrofurantoin &: Other common antibiotics like penicillin , Amoxicillin , sulfa, tetracycline, Rifampin cause a decrease in effectiveness of bcp by increasing its metabolism by the liver. So it's advisable to do a back up means of contraception - withdrawal, condoms. ( pls read link below).

Answered 7/1/2014

5.2k views

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