How do Antibiotics actually affect the use of contraceptive tablet?

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xXxGorJessxXx
User offline. Last seen 1 year 23 weeks ago. Offline
Joined: 08/28/2010

So i know that they can cause problems with the pill, but what does the antibiotic actually do to affect the pill? Numerous thanks )


pjl
User offline. Last seen 1 year 23 weeks ago. Offline
Joined: 08/28/2010

You can fall pregnant whether you are on antibiotics while on the tablet. During your course of antibiotics, it is essential to use condoms.

Here is the explanation:
2 mechanisms:
by altering the liver metabolism of oestrogen
by interfering with bacterial breakdown of conjugated oestrogens

O.C.P. progesterone oestrogen.

Progesterone -- main mechanism of action of Ocp
have progesterone-only pills mini pills Ostrogen (although originally added just to stabilize uterine lining and prevent breakthrough bleeding... also helps to prevent ovulation. Oestrogen prevents maturation of follicles. (oestrogen negative feedback on the anterior pituitary greatly decreases the release of Fsh, which inhibits follicular development and helps prevent ovulation.

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