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Doctor insights on: Does Doxycycline Reduce The Effectiveness Of Birth Control

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Does doxycycline reduce the effectiveness of birth control?

Does doxycycline reduce the effectiveness of birth control?

Maybe: There have been reports of oral birth control pills containing estrogen failing with tetracyclines (eg doxycycline), but no conclusive evidence (from lexicomp interaction report for ortho tricyclen and doxycycline). Read more

Dr. Jeff Livingston
2,377 Doctors shared insights

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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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Is my monodox (doxycycline monohydrate) prescription for my skin affecting my birth control pill effectiveness?

Is my monodox (doxycycline monohydrate) prescription for my skin affecting my birth control pill effectiveness?

Doxycycline and BC: The use of antibiotics can decrease the effectiveness of your birth control. Please consider a back-up method (condoms) in addition to the birth control pill when taking an antibiotics. Please consult with your PCP re your concerns. Read more

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Does doxycycline cancel birth control?

Does doxycycline cancel birth control?

Decrease efficacy: Doxycycline can speed up metabolism of the pills thus decreasing their efficiency Read more

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How long will taking doxycycline compromise my birth control for?

How long will taking doxycycline compromise my birth control for?

Cannot say.: There can be no compromise or persistent compromise if the drug is not discontinued. Read more

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Can someone tell me how long will doxycycline compromise my birth control for?

Can someone tell me how long will doxycycline compromise my birth control for?

This is debateable: But we just recommend using back up contraception only while taking the antibiotic. But check with your doctor, because there are many different opinions on this. Read more

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How long after taking doxycycline will I be able to continue taking my birth control again?

How long after taking doxycycline will I be able to continue taking my birth control again?

You can: To tell you the truth, no one really know if there is any problem or none. However, based on the knowledge of pharmacology, after you stop doxy, you should be able to resume your bcp without any serious side effect. Read more

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Curious to know if my birth control (Dasetta) will be less effective because I'm taking Doxycycline?

Curious to know if my birth control (Dasetta) will be less effective because I'm taking Doxycycline?

Drug interaction: "Antibiotics such as doxycycline may reduce the effects of ethinyl estradiol in some women. If you are using ethinyl estradiol for birth control, you may be at increased risk for pregnancy or breakthrough bleeding." (http://www. Drugs. Com/interactions-check. Php? Drug_list=940-0, 1044-15529) Read more

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I have been on doxycycline for 7 months now and I have been taking my regular birth control during that time when will it be effective again?

Now.: Doxycycline is not an antibiotics that decreases effectiveness of birth control pills. There are actually very few antibiotics that decrease effectiveness of birth control pills. Doxycycline isn't one of them. Read more

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Is it safe to take doxycycline and birth control at the same time?

Is it safe to take doxycycline and birth control at the same time?

No: Medicines taken together can sometime interact making one or both more or less effective than they should be independent of each other. This is one such case in which Doxycycline decreases the potency of the birth control pills and you could find yourself pregnant. You will need another form of contraception while taking doxycycline. Read more

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Can you take birth control with doxycycline hyclate at the same time?

Yes with safety: Doxycycline is one of the medications that are known to decrease efficacy of oral contraceptives. Use condoms in addition if necessary to take doxycycline. Read more

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Can you get pregnant while taking doxycycline and birth control?

Yes it is possible: Antibiotics decrease the absorption of the pill and therefore decrease its effectiveness. You should always use a backup measure or abstain while on an antibiotic if you are on the bcp. Read more

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Could doxycycline be used while on birth control pill or injection?

Injections yes: If you are on injections for birth control, there is no reason why you can not take doxycycline. But if you are taking birth control pills it is recommended by some to use a back up method of contraception while taking doxy and 7 days after you stop the doxycycline. But discuss this with your prescribing doctors. Read more

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Will doxycycline affect sprentic birth control pills?

Will doxycycline affect sprentic birth control pills?

Yes: Birth control pills are all at risk of being affected by antibiotics like doxycycline. You should use a backup form of contraceptive like condoms or abstinence for the rest of this cycle. Read more

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What is the maximum I can drink if I am 5'7", 130 lbs, and on birth control (nortrel) and doxycycline?

Alcoholism: If you are truly concerned about the amounts of alcohol you can tolerate, you may well have a problem. The meds you are taking should not influence the amounts of alcohol you drink. Read more

Dr. Daniel Saurborn
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