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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
No: It does not interfere.Get a more detailed answer ›
Yes: There are many potential side effects and toxicities from bactrim (sulfamethoxazole and trimethoprim). Most common would be nausea, vomiting, diarrhea and various skin rashes. Bone marrow , liver and renal toxicity can also occur. That being said, most patients tolerate this drug combination with little or no difficulty. ...Read more
Overall rather safe: Allergic side effects: skin rash, urticaria, photosensitivity, rarely - anaphylaxis, stevens-johnson syndrome. Gastro-intestinal: diarrhea, nausea, abdominal pain, anorexia, stomatitis & rarely hepatitis. Kidney: interstitial nephritis, BUN & creatinine elevation & rarely kidney failure. Mood changes, cough & shortness of breath, easy bruising, weakness, insomnia, fatigue. Any changes noted ? Se. ...Read more
Do antibiotics affect birth control, specifically IUDs? I'm on Cipro (ciprofloxacin) and have a Mirena IUD.
Not to worry: All IUDs prevent pregnancy, and antibiotics don't interfere with them. Mirena (levonorgestrel) 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
I'm on the Mirena (levonorgestrel) IUD and taking a antibiotic (Sulfamethoxazole). Can I get pregnant?
Mirena (levonorgestrel) IUD: No the antibiotics will not decrease the effectiveness of the Mirena (levonorgestrel). But like any contraceptive method, the IUD does have a low baseline rate of pregnancy. So yes you may get pregnant (very low risk) but if you do, it won't be because of the antibiotics. ...Read more
Took bactrim (sulfamethoxazole and trimethoprim) for 7 days while on bc pill (3 days active pills 4 inactive pills). Finished bactrim (sulfamethoxazole and trimethoprim) exactly 7 days ago. Am I protected now?
Always protected: A woman who is properly taking her birth control pills, and is beyond her first pack of pills, has contraceptive protection ALL the time, regardless of where she is in her pill pack. Adding condoms helps prevent diseases, and may decrease vaginal odor or discharge (by not having disintegrating sperm/semen hang around inside her vagina). Bactrim (sulfamethoxazole and trimethoprim) itself should not affect BC pills effectiveness. ...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 moreSee 2 more doctor answers
Taking augmentin (amoxicillin and clavulanate) for strep throat. Will that affect my Nexplanon birth control?
Used cefixime, gemifloxacin, Enoxacin sesquihydrate, ciprofloxacin, doxycycline, sulfamethoxazole & trimethoprim, sparfloxacin still UTI frm 5 years.
Go to Urologist: I assume you have have been tested for all organisms and taken the appropriate amount of antibiotics for time as directed by the Doctor who gave them to you. Plumbing problem. You may have a Vesicoureteral reflux the retrograde passage of urine from the bladder into the upper urinary tract. This can be diagnosed by either a contrast voiding cystourethrogram or radionuclide cystogram. ...Read more
Will not decrease: The birth control implant (Implanon/Nexplanon) is extremely safe because it only releases the progestin, Etonogestrel. There is no estrogen and so the risk of clots is MUCH lower than any combined method. Failure rate is 0.05% in a year, which is almost better than getting your tubes tied. It is effective within a week of insertion and won't be affected by ANY antibiotics (except rifampin). ...Read moreSee 1 more doctor answer