Doctor insights on:
How Long After Antibiotics Will My Implant Birth Control Be Effective Again
Give it a few days: I would wait about 3 days or so just to make sure the medication is completely out of your system. This all really depends on what your dosage is and how long you have been taking it. The half-life of this medication in your blood stream is about 9 hours so it would probably be a good idea to wait. ...Read more
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
At least seven days: At least 7 days after including the time you have been on the antibiotics, but one should not stop the bcp even when taking the antibiotics. ...Read more
How long after taking antibiotics does it take for birth control pills to be completely effective again?
How much do antibiotics really affect birth control pills? After finishing antibiotics how long until back to normal?
Definitely affect: All antibiotics can definitely affect the effectiveness of birth control pills. While on antibiotics, you should definitely use a back up method of birth control if you want to avoid becoming pregnant. The rule of thumb to prevent pregnancy is to use a form of back up birth control (e.g., condoms) until your next menstrual period. ...Read more
You can: To tell you the truth, no one really know if there is any problem or none. However, based on the knowledge of pharmacology, after you stop doxy, you should be able to resume your bcp without any serious side effect. ...Read more
Immidiately: Although certain antibiotics interact with birth control pills to render them less effective, Keflex is not really among those notorious for doing so. In addition, it does not really hang around too long so that once you stopped taking them, within 24 hours, it is already out of your system. ...Read more
How long must you wait to have sex after taking an antibiotic (BACTRIM) while on the depo-provera birth control shot ?
No wait time: Bactrim (sulfamethoxazole and trimethoprim) does not interfere with the drug in Depo-Provera so no wait time is necessary. You presumably have some infection which may be causing you some discomfort and for that reason you should restrain your activities until you're feeling better. ...Read more
10 days: A safe answer is 10 days for new pack or missed pills. ...Read more
Fluconazole and birth control pills? How long after last fluconazole pill will birth control be effective again?! please help!
I got Doxycycline antibiotics (200mg once a day) for 10 days. How soon after the treatment will my birthcontrol pills (Femodene) be effective again?
I just switched to nuvaring from oral combination birth control pills. How long will it take for the nuvaring to prevent pregnancy?
No waiting: If you switched straight from the pills to the ring without missing any active pills or being late starting the ring, there should be no waiting period. ...Read more
1 cycle: I generally recommend back up for the cycle in which you take the antibiotics. Once you stop and are on the next cycle you are protected ...Read more
No, very unlikely: Check out http://goaskalice.columbia.edu/antibiotics-and-birth-control-pill & http://www.mayoclinic.org/healthy-lifestyle/birth-control/in-depth/birth-control-pill/art-20045136?pg=2. Recent studies show that most antibiotics, aside from rifampin, will not affect effectiveness of birth control pills. Just remember to finish your antibiotics - don't save for next infection. And make him wrap it up. ...Read more
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