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Which Antibiotics Affect Birth Control
Contraception is also known as Birth control. Contraceptiion is a means of preventing conception (or fertilization). There are hormonal and non hormonal methods of preventing sperm and egg from meeting. Talk to your doctor or clinic about what options are best for you. There are short acting methods (condoms, pills, patch, ring) and long ...Read more
Some say antibiotics affect birth control, some say they don't have any affect at all. What should I believe?
The former: Antibiotics can affect birth control and possibly decrease their effectiveness to 97 or 98% from 99. So even though they are still very effective, I always recommend adding condoms to sex when on antibiotics as you do not want to be in the 1%. Best wishes. ...Read moreSee 1 more doctor answer
Not to worry: All IUDs prevent pregnancy, and antibiotics don't interfere with them. Mirena combines the usual action of an IUD with the hormonal effects of the progesterone-type drug included with it. A few antibiotics can affect the hormone's effectiveness, but most won't, including ciprofloxacin. ...Read more
During therapy: While you are on antibiotics your oral contraceptive *may* be less effective. Plenty of women take antibiotics and birth control at the same time and don't get pregnant. The answer lies with what your comfortable with.... Do you want to use a back up method when you are on antibiotics? As soon as you stop antibiotics, within 72 hours your birth control is back to being effective. ...Read more
I recently finished an antibiotic about a week ago. How long does it stay in your system and how long can it affect my birth control?
Elimination issue: That depends on the antibiotic. Usually we say that it takes 5 half lives of the antibiotic to get out of the body. More importantly, the effect on your normal gut bacteria; can be altered > 1 month depending on how broad spectrum the antibiotic. Flora helps ocp absorption. It would be safest to at least use a secondary mode of protection for a month after you complete your course of antibiotic. ...Read more
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