Top answers from doctors based on your search:
Will macrobid affect my birth control
A 38-year-old member asked:

Dr. Dennis Higginbotham answered
30 years experience Obstetrics and Gynecology
No: Macrobid would not affect any form of contraception.
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:
A member asked:

Dr. Karen Jones answered
37 years experience Obstetrics and Gynecology
No: Unlike what can happen with birth control pills, being on antibiotics does not cause your Mirena (levonorgestrel) iud to become less effective.
A 30-year-old female asked:

Dr. Oscar Novick answered
58 years experience Pediatrics
Macrobid: Yes, Macrobid is known to cause breakthrough bleeding while on the pill
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A 22-year-old female asked:

Dr. Hunter Handsfield answered
53 years experience Infectious Disease
No worries!: Nitrofurantoin (Macrobid®) and other antibiotics have no effect on birth control pills. There is slight risk with a few antibiotics, e.g. rifampin (mo ... Read More
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A 26-year-old female asked:

Dr. Robert Kwok answered
33 years experience Pediatrics
BC pills should work: The current thinking is that except for rifampin, other commonly-used antibiotics such as Macrobid do not alter the effectiveness of birth control pil ... Read More
A 18-year-old female asked:

Dr. Robert Kwok answered
33 years experience Pediatrics
BC pills should work: The current thinking is that except for rifampin, other commonly-used antibiotics do not alter the effectiveness of birth control pills such as Aviane ... Read More
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A 26-year-old female asked:

Dr. Rifat Naghmi answered
46 years experience Internal Medicine
Back up birth contro: Just during the period you are using the antibiotic
A female asked:

Dr. Charles Whiting answered
27 years experience Obstetrics and Gynecology
Not a factor...: Macrobid won't affect birth control or emergency contraception effectiveness. Best wishes
A 26-year-old female asked:

Dr. Hunter Handsfield answered
53 years experience Infectious Disease
Nope: Nitrofurantoin (Macrobid) gives very low blood levels -- it's the high urine levels that cure urinary tract infections. (There is no reason other than ... Read More
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A 20-year-old female asked:

Dr. Jeff Livingston answered
22 years experience Obstetrics and Gynecology
No: This does not decrease the effectiveness of birth control.
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