Skip to Content

Will Bactrim DS effect the effectiveness of birth control pills?

Question is Closed
Report Favorite

Answers (1)

9 Nov 2009

Yes, Bactrim DS can affect the combined oral contraceptives and reduce its effectiveness.

ADDITIONAL CONTRACEPTION RECOMMENDED: The effectiveness of estrogen-containing oral contraceptives may be impaired by concomitant treatment with antimicrobial agents. It is possible that a small number of women may be more susceptible to contraceptive failure.

Women using oral contraceptives should be advised of the risk of breakthrough bleeding and unintended pregnancy during concomitant antimicrobial therapy. Alternative or additional methods of birth control should be considered during and for at least one week beyond the last dose of short-term antimicrobial therapy, and for at least the initial weeks of long-term antimicrobial therapy when risk may be the greatest.

Votes: +0

Further Information

Search for questions

Still looking for answers? Try searching for what you seek or ask your own question.

Similar questions

Can ritalin reduce the effectiveness of birth control pills?

I want to know if ritalin can overpower my birth control pills? I know that some antibiotics will kill the birth control out. the main question is, ...

1 answer 2 Dec 2010

How long until a weeks worth of bactrim is out of my system?

I will be taking bactrim tablets, twice a day, for a week. Because it's an antibiotic, I'm not supposed to drink, my birth control pill ...

1 answer 5 Aug 2014

Laxative Tea and Birth Control Pills??

How does one take laxatives properly with birth control pills? Hi. I have this weight loss laxative tea containing senna and i took it 7pm 3 hours ...

1 answer 10 Feb 2015

Do emergency pills affect birth control pills effectiveness?

I and my partner had unprotected sex after taking the birth control pills for five days only. I later learnt that I should have waited for at least ...

1 answer 9 Jul 2015

Missed two days of my Sprintec birth control pills...Need advice!?

I normally take my Sprintec birth control pills like clockwork but dropped the ball this week when I was traveling. I forgot to take the Sunday and ...

1 answer 8 Sep 2015