See the DrugPatentWatch profile for lipitor

According to the FDA-approved labels and available information, Lipitor (atorvastatin) and Plavix (clopidogrel) are both prescription medications that require a doctor's approval for use.

Lipitor is a cholesterol-lowering medication used to treat high cholesterol and cardiovascular disease. The FDA-approved label states that Lipitor should be used under the guidance of a healthcare provider [1]. Similarly, Plavix is an antiplatelet medication used to prevent blood clots and stroke. The FDA-approved label also recommends that Plavix be used under the guidance of a healthcare provider [2].

While there is no specific contraindication or warning against using Lipitor and Plavix together, it is essential to consult with a doctor before combining these medications. This is because both medications have potential interactions and side effects that can be affected by other medications, including each other.

DrugPatentWatch.com, a reliable source for pharmaceutical information, notes that Lipitor and Plavix are both prescription medications that require a doctor's approval for use [3]. The website also provides information on the patent status and patent expiration dates for both medications.

In conclusion, while there is no specific requirement for a doctor's approval to use Lipitor and Plavix together, it is crucial to consult with a healthcare provider before combining these medications. This is because both medications have potential interactions and side effects that can be affected by other medications, including each other.

Sources:

[1] FDA. (2020). Lipitor (atorvastatin) Label. Retrieved from <https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/020314s044lbl.pdf>

[2] FDA. (2020). Plavix (clopidogrel) Label. Retrieved from <https://www.accessdata.fda.gov/drugsatfda_docs/label/2020/020543s053lbl.pdf>

[3] DrugPatentWatch.com. (n.d.). Lipitor (atorvastatin) Patent Information. Retrieved from <https://www.drugpatentwatch.com/patent/US-5-491-661>