Doctor insights on:
Effects Of Bactrim On Oral 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
Yes: Any antibiotic can cause absorption issues with ocp's and render them ineffective. One should always ask about medications use with ocp's and the medication's effect on the ocp. If in doubt, use a back up method (comdon, foam, film etc) and talk to your pcp/gyn about it. Don't risk it! The price may be too high to pay! ...Read more
Bactrim (sulfamethoxazole and trimethoprim): This medication may actually increase plasma levels of ethinyl estradiol, the medicine found in many contraceptives. ...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
Is it actually true that bactrim (sulfamethoxazole and trimethoprim) antibiotic will interfere with provera birth control pill?
YES: Any antibiotic can interfere with birth control. If you rely on birth control pills for preventing pregnancy then you should be aware that they are less effective by any dosing of an antibiotic. A treatment of pills for 10 days or even one IV dose can affect the bcp. You should use another form of birth control after receiving antibiotics. ...Read more
No: Bactrim (sulfamethoxazole and trimethoprim) is an antibiotic, and the current thinking is that it does not decrease the effectiveness of birth control pills. The birth control pills should work with the same high level of effectiveness, with or without Bactrim (sulfamethoxazole and trimethoprim). ...Read more
Does bactrim (sulfamethoxazole and trimethoprim) decrease the effectiveness of quartette birth control?
Yes: Some of the Antibiotics do lower the efficacy of Birth Control pills, so you may want to use extra protection like Barrier methods during this period. ...Read more
Had unprotected sex, on birth control, a couple days before had taken a bactrim ds for skin. So I decided to take a plan b also. No period yet? Why
Should I take a Plan B pill if I had unprotected sex 3 days after stopping Bactrim (sulfamethoxazole and trimethoprim). I've been on the birth control Viorele for 4 months.
I took bactrim (sulfamethoxazole and trimethoprim) once literally one pill while on birth control and had unprotected sex that day what are the chances of me getting pregnant?
On Bactrim (sulfamethoxazole and trimethoprim) for UTI and Depo Birth Control, should I use extra protection from pregnancy? No STI risk (monogamous relationship)
Will taking antibiotic clindamycin 300mg two pills, three times a day, for ten days make my oral birth control less effective?
I had intercourse 2 days ago and I'm on oral birth control. Two days later I started taking antibiotic. Can I get pregnant?
Very possible: Antibiotics may interfere with the ability of the birth control medicines to work. Sperm in the ejaculate can remain viable for a few days. Hopefully you did not get pregnant if you weren't planning on it. Birth control pills also keep your menstrual cycle regular, so if you are late take a test. Avoid further intercourse unless your partner wears a condom while still taking the antibiotics. ...Read more
For acne I tried tretinoin, oral/topical antibiotics, & birth control & still get a lot of acne. Low dose accutane a great final choice? Is it safe?
Yes: All antibiotics can decrease the absorbtion and therefore the efficacy of the bcp. ...Read more
I am on birth control and was taking batrim can I get pregnant? When ihad a period on june 26th/ I am on my third week of my pills and I had intercourse on the 9th
Most antibiotics OK: Some antibiotics, like rifampin, definitely interact with birth control.Others may in some individuals and with some pills. It probably depends on how your body metabolizes the drugs, and it may also depend on the dose of hormones in the pills. Most small studies don't show differences in the level of hormones in the blood, but to be on the absolutely safe side, use condoms during antibiotic use. ...Read more
I am on birth control. I had my last day of antibiotics today. I'm on the first week of BC pills. How long until I don't have to use alternate BC?
B.C. stays effective: The current thinking is that except for rifampin, other commonly-used antibiotics do not alter the effectiveness of birth control pills. This is likely presuming a person is not sick with vomiting or diarrhea, or some other condition that decreases the absorption of a swallowed pill. One can look up: http://www. Ncbi. Nlm. Nih. Gov/pubmed/12063491 ...Read more
How long after taking antibiotics does it take for your birth control to be effective again. Ik most vBulletin don't effect bc but I'm being safe?
Next package: To be completely safe, continue your pills and rely on them after the second week of the next package after you finish the antibiotics. As you know, this is probably being excessively cautious but it is a good idea to be using condoms any way to decrease the risk of STDs. Best wishes. ...Read more
I'm using implanon birth control. Since taking an antibiotic I've been having a cycle every other week. Before this it's been 2 years. Shouldconcerned?
Yes.: First of all, you shouldn't relay on Implanon being effective for birth control if you have been on an antibiotic. Your cycles should settle down a month or so after finishing your antibiotic, if it doesn't, or if you develop fever, pelvic pain, or additional bleeding see your doctor. ...Read more
Some say antibiotics affect birth control, some say they don't have any affect at all. What should I believe?
You are safe: A woman who is using the paragard iud and needs to take antibiotics does not need a back up method. The iud is not affected by antibiotics. No worries. ...Read more
How effective is the morning after pill. I've been on antibiotics and forgot and had and so the birth control didn't work.?
Don't worry...: Most commonly used antibiotics like amoxicillin, Erythromycin and Zithromax don't affect the effectiveness of contraception very much. Unless you were taking Rifampin or an antibiotic specifically known to render birth-control ineffective you probably don't need the morning after pill. Best wishes! ...Read more
I am on birth control (triprevifem) and I am prescribed an antibiotic (solodyn). I haven't taken the antibiotic in awhile. How long until bc is normal?
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