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antibiotics are one of the most common medicines that counter the effects of Birth Control. there could be others. you should speak to your doctor.

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Q: What medications reduce the effectiveness of birth control pills?
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Related questions

Can mixing birth controls reduce the effectiveness?

No, using two methods of birth control increases effectiveness or leaves effectiveness unchanged.


Can Fluoxetine reduce the effectiveness of birth control?

There are no known drug interactions between fluoxetine (Prozac) and birth control.


You are taking metronidazole vaginaly and you use the Nuva Ring How effective is your birth control?

Check with your doctor as to the effectiveness of your birth control when used in conjunction with other medications. Reduced effectiveness may be seen in some cases.


How do doctors know if you are on birth control?

Doctors will know that you are on birth control when you tell them. It is wise to tell your doctor that you are birth control, as it is wise to tell them that you are taking any other medications as well. By telling your doctor that you are on birth control it will help when you need treatment or need to take any other medications such as antibiotics(penicillin, amoxicillin), because there are medications that can lower the effectiveness of your birth control.


If you are on birth control and you are taking anitbiotics can you get pregnant?

Antibiotics reduce the effectiveness of birth control. You should use a backup method like condoms.


Does singular reduce the effectiveness of birth control pills?

No Singulair (montelukast) has no effect on birth control pill. It can be taken at the same moment (or in the same day) regularly.


Can the drug ketorolac reduce birth control pills effectiveness?

There are no known drug interactions between ketorolac (toradol) and combined or progestin-only birth control pills.


Can amoxicillin cause cramping and spotting?

Yes, antibiotics reduce the effectiveness of the birth control causing breakthrough bleeding


Do x rays lower birth control pill effectiveness?

X-rays do not lower the effectiveness of the birth control pill.


Does pain medicine affect your birth control effectiveness?

The category of pain medications is so broad that no generalization can be made. Most medications used for pain don't affect how well birth control works. A few medications used as adjunct pain treatment do. You must contact your prescriber or pharmacist for advice specific to your situation.


If you are not on birth control and you are taking antibiotics can it still increase your risk of getting pregnant?

While a few antibiotics can reduce the effectiveness of birth control pills, they don't have any significant effect on whether or not you get pregnant if you are not on the pill.


Can you get pregnant while on the pill and taking an antibiotic?

Yes you can! Antibiotics reduce the effectiveness of the birth control pill. Many pregnancies have resulted in this way. Use a second form of birth control, such as a condom, while you are taking the antibiotic.