Lipitor is a medication that is used to reduce the levels of cholesterol in the blood. Birth control pills are a form of hormonal contraception that contain estrogen and progestin. According to the sources provided, there are potential interactions between Lipitor and birth control pills.

GoodRx [1] suggests that there is a moderate interaction between Lipitor and birth control pills. This interaction may increase the risk of side effects such as blood clots, stroke, and heart attack. Therefore, it is important to consult with a healthcare provider before taking Lipitor with birth control pills.

NHS [2] also advises that Lipitor may interact with hormonal contraceptives, and it is important to inform the healthcare provider about any medications being taken. Lipitor can reduce the effectiveness of hormonal contraceptives, which can increase the risk of pregnancy. Therefore, it is recommended to use additional forms of contraception, such as condoms, while taking Lipitor.

Drug Patent Watch [3] does not provide information on the interaction between Lipitor and birth control pills. However, it is still important to consult with a healthcare provider before taking any medication, especially if there are potential interactions with other medications being taken.

In conclusion, Lipitor and birth control pills may interact and increase the risk of side effects. It is important to consult with a healthcare provider before taking Lipitor with birth control pills. It is also recommended to use additional forms of contraception while taking Lipitor.

Sources:
[1] https://www.goodrx.com/atorvastatin/interactions
[2] https://www.nhs.uk/medicines/atorvastatin/common-questions-about-atorvastatin/
[3] https://www.drugpatentwatch.com/p/tradename/LIPITOR