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A 31-year-old female asked:
Is it normal for me to have my period even if i am on an active pill on birth control. i just finished a course of antibiotics for tonsillitis.
1 doctor answer • 4 doctors weighed in
Dr. Robert Kwokanswered
Pediatrics 35 years experience
No usually, but...: Breakthrough bleeding happens sometimes. Women can have occasional variation of their mucus discharge, some spotting between periods, a heavier or lighter period, a longer or shorter period, or a variation in color of period. Having one or two of these symptoms doesn’t necessarily mean there is a medical problem, but a call to one’s doctor is a good idea if bleeding is persistent or worrisome.
Created for people with ongoing healthcare needs but benefits everyone.
128 viewsReviewed >2 years ago
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A member asked:
I have been on birth control 1 year. I took one antibiotic pill 20 days ago. 3 days ago i had unprotected sex. Am i pregnant? I should have my period in 2 days.
Dr. Joy Jacksonanswered
Family Medicine 21 years experience
Wether : Wether or not antibiotics interacts with birth control pills is controversial. I highly doubt that one antibiotic pill will interfere with your birth ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A member asked:
Am i pregnant? I have been on birth control for 1 year. I took 1 antibiotic pill 20 days ago. 3 days ago i had unprotected sex. I took a pregnancy test hours after sex and it said negative. I should get my period in 2 days.
Dr. Laura McMullenanswered
Pediatrics 23 years experience
As : As long as you have been using your birth control pills correctly (taking them around the same time every day without skipping any) then you have a le... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
View all answers
A 33-year-old member asked:
I'm wondering if I am on birth control but also an antibiotic can I be pregnant and still get my period?
Dr. Anne Haleanswered
A US doctor answeredLearn more
Yes!: Just do a home pregnancy test! but, most of the time most antibiotics do not interfere with birth control working right.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 30-year-old female asked:
Received my first shot of depo birth control and was prescribed antibiotic at the same time. Had my last period 2 weeks ago. How long should I use a backup method?
Dr. John Berrymananswered
Obstetrics and Gynecology 56 years experience
Pregnant ?'s: While some antibiotics may interfere with oral bcp's potential effectiveness, injection of progestins (depo-progesterone shot) avoid this problem, but... Read More
Created for people with ongoing healthcare needs but benefits everyone.
Answered Feb 28, 2021
A 30-year-old female asked:
Received my first injection of depo birth control and was prescribed antibiotic at the same time. Had my last period 2 weeks ago. How long should I use a backup method?
Dr. Holly Maesanswered
Pediatrics 38 years experience
Use it for a full month AFTER you finish the antibiotics. And always consider a back-up barrier method to prevent STD's.
Created for people with ongoing healthcare needs but benefits everyone.
Reviewed Mar 03, 2021
Last updated Mar 25, 2022
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