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
Varies: 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
Im 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?
How long does nausea from birth control pills last? On second month, can the anitibiotics for a UTI be making it worse?
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