You know the phrase� "Women who are pregnant, think you may be pregnant, or are planning to become pregnant should not take Lipitor as it could be harmful to your unborn baby." Avoid drinking high cholesterol foods and drinking alcohol when on Lipitor. Grapefruit and grapefruit juice may negatively interact with Lipitor and lead to potentially dangerous effects. If you are breastfeeding you should not take it because it can pass to your child. If you have liver problems you should not take it either. Be cautious if you are allergic to Lipitpor