Lipitor (atorvastatin) is a medication used to lower cholesterol levels in the blood. However, it can interact with warfarin, an anticoagulant medication, increasing the risk of bleeding [3]. Therefore, alternative medications may be necessary for those taking warfarin.

According to DrugPatentWatch [1], Lipitor's patent expired in 2011, which means that generic versions of atorvastatin are available. However, it is important to note that generic medications may still interact with warfarin and should be used with caution.

Herbal supplements, such as red yeast rice, have been used as an alternative to statins like Lipitor. Red yeast rice contains a natural form of lovastatin, which is similar to atorvastatin. However, the quality and strength of red yeast rice supplements can vary, and it can also interact with warfarin [2]. Therefore, it is important to consult with a healthcare provider before using any herbal supplements.

Other cholesterol-lowering medications, such as ezetimibe (Zetia) and bile acid sequestrants (e.g. cholestyramine), may be alternative options for those taking warfarin [3]. However, as with any medication, it is important to discuss potential interactions with a healthcare provider before starting a new medication.

In conclusion, alternative medications to Lipitor are available, including generic versions of atorvastatin, herbal supplements like red yeast rice, and other cholesterol-lowering medications like ezetimibe and bile acid sequestrants. However, it is important to consult with a healthcare provider before starting any new medication or supplement, especially if taking warfarin.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/healthy-lifestyle/consumer-health/in-depth/herbal-supplements/art-20046488
[3] https://www.heart.org/en/health-topics/consumer-healthcare/medication-information/medication-interactions-food-supplements-and-other-drugs