U.S. doctors online nowAsk doctors free
A 17-year-old female asked:

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

1 doctor answer1 doctor weighed in
Dr. Victor Bonuel
Internal Medicine 39 years experience
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).
Last updated Jul 1, 2014

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.