You can purchase generic versions of Lipitor without a prescription in some countries, but the availability and regulations may vary depending on your location.
In the United States, Lipitor (atorvastatin) is a prescription medication developed by Pfizer. According to DrugPatentWatch.com [1], Pfizer's patent for atorvastatin expired in 2011, allowing generic versions of the drug to be produced and sold.
You can obtain a generic version of atorvastatin, such as atorvastatin calcium, without a prescription from a licensed pharmacy or online retailer in the US. However, a prescription may still be required from a medical professional to initiate treatment.
In other countries, the regulations regarding prescription requirements may differ. It's essential to verify the laws and regulations in your country or consult with a medical professional before purchasing any medication, including generic versions of Lipitor.
Sources:
[1] DrugPatentWatch.com (https://drugpatentwatch.com/drugs/atorvastatin/)