When experiencing side effects from Lipitor (atorvastatin), it is crucial to address them promptly. Common side effects of Lipitor include muscle aches, weakness, and tenderness, which may be signs of a serious condition called rhabdomyolysis. If you notice any unusual muscle symptoms, it is advised to seek medical attention immediately. Other serious side effects that should be addressed promptly include liver problems, allergic reactions, and neurological symptoms like confusion or memory problems. It is important to consult a healthcare professional if you experience any concerning side effects while taking Lipitor to ensure your safety and well-being [3][2][1].

Sources:
[1] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003
[2] https://www.nhs.uk/medicines/atorvastatin/side-effects-of-atorvastatin/
[3] https://www.drugpatentwatch.com/p/tradename/LIPITOR