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Doctor insights on: Can Taking Antibiotics Make Birth Control Not As Effective

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Do antibiotics make birth control ineffective?

Do antibiotics make birth control ineffective?

Yes: Women on contraceptives are advised to use an alternate method of birth control whenever they take antibiotics. They should use the alternate method throughout the course of antibiotics & through the end of current pack of pills. ...Read more

Dr. Jeff Livingston
2,319 doctors shared insights

Contraception (Definition)

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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Can taking antibiotics make birth control not as effective?

Can taking antibiotics make birth control not as effective?

Yes, it depends: First of all, it depends on the birth control method you are using. In the case of oral contraceptives (ocp's) some antibiotics (azithromycin, ciprofloxacin) can increase ocp metabolism and therefore reduce their levels in the blood, increasing chances of ocp failure. You should always ask your doctor or pharmacist about all the medications you are taking before taking anything new. ...Read more

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Is it true that birth control can become less effective when taking antibiotics? And if so how much less effective?

Double your pleasure: When you try to double your pill taking pleasure by taking the oral contraceptive pill and antibiotic pill at the same time, the antibiotic will be preferentially absorbed and the oral contraceptive not. Thus, the BC pill is less effective and pregnancies can and do occur. ...Read more

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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?

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

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How long after taking antibiotics does it take for birth control pills to be completely effective again?

How long after taking antibiotics does it take for birth control pills to be completely effective again?

A few days: This is not as common as people fear. If you are experiencing diarrhea or vomiting wile taking your antibiotics then this could effect the absorption of your birth control. ...Read more

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How long does birth control not work after taking antibiotics?

How long does birth control not work after taking antibiotics?

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

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How long does it take for birth control to go back to normal when taking antibiotics?

How long does it take for birth control to go back to normal when taking antibiotics?

Possible interaction: Some evidence suggests that some people may have lower blood levels of the hormones in bc pills if you take antibiotics, but other studies show that many people do not have lower blood levels. To minimize the risks of bc failure, use a backup method such as condoms during the cycle you're taking antibiotics. If you take antibiotics daily, discuss this with your doctor; there's not much evidence. ...Read more

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How long do I need to wait till i start my birth control again after taking antibiotics?

How long do I need to wait till i start my birth control again after taking antibiotics?

Start ASAP: Don't wait. Although antibiotics such as Amoxicillin was said to reduce the effectiveness of bcp, i don't believe the evidence is strong. Note that even if this were true, a reduced effectiveness is better than nothing at all. ...Read more

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Is it safe to take birth control while taking antibiotics?

Is it safe to take birth control while taking antibiotics?

Yes, but: Most antibiotics and many other medications lower the effectiveness of birth control pills, so it is safest to also use condoms as well. ...Read more

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I have the nuvaring for birth control I been taking antibiotics with it does this decrease efficiency and would it work if I stop using the antibiocs ?

Birth control: it is true that taking birth control with antibiotics can increase your chances of getting pregnant. You should use an additional form of birth control like condoms during the next few weeks of the antibiotics. Protection should return to normal after a few weeks off the antibiotics. ...Read more

Dr. Melissa Gowans
4 doctors shared insights

Birth Control (Definition)

Also known as contraception, birth control is a method to prevent pregnancy. Some methods of birth control include a vasectomy, tubal ligation, oral contraceptive pills, vaginal rings, hormone injections, condoms, diaphragms, sponges, ...Read more


Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more