Lipitor is a brand name for atorvastatin, a medication used to lower cholesterol levels in the blood. According to sources [2] and [3], there are several other foods and drugs that interact with Lipitor.

Firstly, grapefruit and grapefruit juice should be avoided while taking Lipitor. Grapefruit contains a compound that can interfere with the metabolism of Lipitor, leading to an increase in the concentration of the drug in the bloodstream. This can increase the risk of side effects, such as muscle pain and liver damage.

Secondly, certain antibiotics and antifungal medications can interact with Lipitor, increasing the risk of side effects. Examples of these medications include erythromycin, clarithromycin, and itraconazole.

Thirdly, some medications used to treat HIV and hepatitis C can interact with Lipitor. These medications can increase the concentration of Lipitor in the bloodstream, leading to an increased risk of side effects.

Fourthly, some other medications used to lower cholesterol levels can interact with Lipitor. These medications include gemfibrozil and fenofibrate.

Lastly, sources [2] and [3] suggest that alcohol should be avoided while taking Lipitor. Drinking alcohol can increase the risk of liver damage, which is a potential side effect of Lipitor.

In conclusion, while taking Lipitor, it is important to avoid grapefruit and grapefruit juice, certain antibiotics and antifungal medications, some medications used to treat HIV and hepatitis C, other medications used to lower cholesterol levels, and alcohol. Patients should always consult their healthcare provider before taking any new medications or supplements while on Lipitor.

Sources:
[2] https://www.healthline.com/health/drugs/lipitor-interactions
[3] https://www.everydayhealth.com/drugs/lipitor