Does doxycycline affect the birth control pill?

Answer 1

According to the WebMD site, it can make BCP less effective, ask your doctor if you need to use a back-up BC method while taking it.

Some brands of doxycycline should not be taken with milk, because milk interferes with the absorption of the antibiotic. You can ask your pharmacist for a brand that can be taken with milk if this is a concern.

This drug also makes you more susceptible to sunburn, be sure to use a sunscreen or avoid exposure.

Do not take iron supplements, multivitamins, calcium supplements, antacids, or laxatives within 2 hours before or after taking doxycycline.

Yes !!!!!! Use another form of Birth Control for at least a month after you are done. Ask a pharmacist.

You should continue to use additional back-up contraception until the end of your current cycle. When you start a new pack of birth control pills you should be safe.
It has been shown in some cases to interact. See related links for more information.