Lipitor is a brand name for the drug atorvastatin, which is a medication used to treat high cholesterol levels and prevent heart disease [1]. Like any medication, Lipitor has some side effects that patients may experience. According to the NHS, the most common side effects of atorvastatin are headache, joint pain, and muscle pain [2]. These side effects usually go away after a few days or weeks, but if they persist, patients should consult their doctor.

However, there are also some more serious side effects that can occur with atorvastatin use. These include liver problems, such as hepatitis or jaundice, and an increased risk of developing type 2 diabetes [2]. In rare cases, atorvastatin can cause a severe allergic reaction, which requires immediate medical attention [3]. Patients should seek medical help if they experience symptoms such as difficulty breathing, swelling of the face, lips, tongue, or throat, or a severe skin rash.

Another potential side effect of atorvastatin is muscle damage, which can lead to a condition called rhabdomyolysis. This is a rare but serious condition that can cause muscle pain, weakness, and dark urine [3]. Patients who experience these symptoms should seek medical attention immediately.

In conclusion, while Lipitor is generally safe and effective for most patients, it can cause some side effects. The most common side effects are headache, joint pain, and muscle pain, which usually go away after a few days or weeks. However, there are also more serious side effects, such as liver problems, an increased risk of type 2 diabetes, and muscle damage, which require medical attention. Patients should always consult their doctor if they experience any side effects while taking Lipitor [1-3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.nhs.uk/medicines/atorvastatin/side-effects-of-atorvastatin/
[3] https://www.drugwatch.com/lipitor/side-effects/