Doctor insights on:
How Long Will Antibiotics Affect My Birth Control Pills
Antibiotics: Some antibiotics decrease effectivity of birth control pills. This means that you have to use caution and protection for the rest of month that you are on antibiotics. The next month or cycle on birth contol pills should provide adequate coverage as long as you are not on antibiotics. ...Read more
Also known as oral contraceptives, birth control pills are highly effective oral medications that use hormones to prevent pregnancy. There are two main types of birth control pills: one with estrogen and progestin (also known as the combination pill) and one with just progestin. The two main ways they prevent pregnancy are: 1) The hormones thicken the cervical mucous, which keeps sperm from entering the uterus on their way to the egg; and 2) By maintaining a level of hormone in the blood stream that prevents the ...Read more
7 days after: 7 days after you have finished the course of antibiotics. ...Read more
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
There are only a few antibiotics that interfere with birth control pills, and fortunately they are rarely used.
For antibiotics that do have an impact (rifampin, griseofulvin) effect though depends on when the antibiotics are taken in the cycle. The chemical effect is short, but if that short effect results in unintended ovulation, the impact may last the entire cycle. ...Read more
I'm on birth control pills & now I have to take antibiotics twice daily. When I finish the anitbiotics how long should I wait to have bc protected sex?
7 days: 7 days considering that you didn't miss any pills. ...Read more
How long after taking antibiotics does it take for birth control pills to be completely effective again?
Until your next: Period, it is recommended that you use alternate BC after antibiotics. Condoms would also help protect against STD's. ...Read more
Hi, can I be pregnant if I'm taking birth control pills cryselle long time and antibiotic clindamycin 2 days and had unprotected sex? Tnx
Low probability: Of getting pregnant, although any antibiotic can reduce the effectiveness of birth control pills, less though with clindamycin, more with others as tetracycline. However this behooves you to use extra method of contraception if you are using any medicine that interacts with birth control pilks. Good that you asked, always exercise caution with multiple medications, good luck ...Read more
How long does nausea from birth control pills last? On second month, can the anitibiotics for a UTI be making it worse?
Bactrim (sulfamethoxazole and trimethoprim): This medication may actually increase plasma levels of ethinyl estradiol, the medicine found in many contraceptives. ...Read more
Yes: They affect absorption...Reducing absorption so pills are not as effective. ...Read more
Now: Some antibiotics can make birth control pills less effective meaning you should use a back up method like condoms while you are taking the antibiotics. There is no reason to stop or delay the birth control pills. ...Read more
VERY RARELY: In the prescribing info, it is said that taking certain antibiotics may reduce the potency or effectiveness of birth control pills. In my experience, I have never seen this in over 30 years of practice. At your age of 44, conception under any circumstances may be unlikely, though it does occur. ...Read more
Does the antibiotic azithormycin effect my birth control pills? Is this why I am having spotting?
No: Ointments won't effect your contracption.Get a more detailed answer ›
What do you advise if I switched birth control pills and started antibiotics, are my side effects normal?
Depends: What side effects are you experiencing? Should discuss with your healthcare provider. ...Read more
No: No topical antibiotics do not affect birth control pills. ...Read more
Sure.: Most antibiotics have little to no interaction with ocps. ...Read more
If I'm on birth control pills and I take antibiotics afterwards, could I get pregnant? I heard the antibiotics clear the pills.
Is it possible that an antibiotic medication used for a root canal can interfere with birth control pills?
I'm on birth control pills and had unprotected sex while also on antibiotics but he pulled out, should I be worried?
Was on antibiotics 9/27/17-10/3-17. Have been taking birth control pills correctly. Just had unprotected sex. Am I protected on my birth control again?
Unsure: There are some antibiotics that can effect some oral contraceptives. Consider resubmitting and letting us know the name of each medication. ...Read more
I have read that now doctors think only certain types of antibiotics for tuberculosis make birth control pills less effective. Is this true?
Rifampin: Antibiotics in general can interfere with effectiveness of birth control pills. Rifampin, commonly given for TB, is a special case. It speeds up the metabolism of many drugs, reducing their effectiveness. This might include birth control pills. Other antibiotics related to rifampin, such as rifalizil and rifabutin, may have the same effect. Check with your doctor (s) or your pharmacist. ...Read more
If you are on birth control pills can the antibiotic biaxin (clarithromycin) cause your period to be late? Or missed?
Can birth control pills cause a lot vaginal discharge? Thought I peed myself but I didn't bcuz I felt very wet (also treating a UTI w/ antibiotics)
Not likely: There are many possible causes of abnormal discharge. Some of these include chlamydia, gonorrhea, trichimoniasis, and bacterial vaginosis. Chlamydia, gonorrhea, and trichimoniasis are all sexually transmitted infections which are contracted through sexual intercourse. Bv is not, but can be reintroduced by the bacteria on your partner's penis. ...Read more
I use birth control pills but had antibiotics and I have a breakthrough bleeding. How can I stop it? In 2 weeks I'll have to take the placebo pills.
Unlikely: (: Hi SzterW377, Unfortunately this is a common side effect of antibiotics when taking birth control pills. Unless the bleeding is very heavy (changing a pad an hour) then it is best just to continue talking your birth control pills as prescribed. I also recommend that you take additional steps to protect against pregnancy, such as use of condoms. Of the bleeding is heavy, then see your doctor. ...Read more
I started birth control pills and took a strong antibiotic and my period was pushed to the end of the month instead of the beginning. Is this normal?
Can occur: Yes possible with infection and ill health hormones change. ...Read more
When does nausea from birth control pills go away? On second month, a few days in taking antibiotics for UTI can that be making it worse?
Very unlikely: The antibiotics are not a probable cause for prolonging your reaction to bcps (if that is what it is). If the nausea was due to the bcps it will probably disappear in a month or so. If, however, you are having thoughts of suicide you need to go asap to a psychiatrist and have this assessed before you do something which will be regretted. Go now. Do not wait. Best wishes. ...Read more
Experiencing pink/brown discharge and spots of blood (only when wiping) during AND after taking antibiotics while on birth control pills. Normal?
Breakthrough bleed: Breakthrough bleeding (bleeding at the wrong time) is very common on birth control. It happens in about 1/3 of users. Its no big deal and usually self corrects over time. If you are not satisfied or it continues to happen then consider using a different birth control method. It is a common side effect and does not mean something is wrong or that the pill is not working. ...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
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