Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. The drug works by blocking an enzyme that the liver needs to produce cholesterol, thus reducing the amount of cholesterol in the bloodstream [1]. However, like any medication, Lipitor can cause side effects, including stomach discomfort, which is a common side effect of the drug [2].

According to the Mayo Clinic, stomach discomfort is a common side effect of Lipitor, and it can manifest as nausea, vomiting, diarrhea, or abdominal pain [2]. However, changing the dosage of Lipitor may or may not help prevent stomach discomfort. The appropriate dosage of Lipitor depends on several factors, including the patient's age, gender, weight, medical history, and the severity of their condition [1]. Therefore, changing the dosage of Lipitor should only be done under the guidance of a healthcare professional.

In some cases, reducing the dosage of Lipitor may help prevent stomach discomfort. However, this should only be done under the guidance of a healthcare professional, as reducing the dosage of Lipitor may also reduce its effectiveness in lowering cholesterol levels [3]. Additionally, other strategies may help prevent stomach discomfort, such as taking Lipitor with food, drinking plenty of water, and avoiding alcohol and grapefruit juice [2].

In conclusion, stomach discomfort is a common side effect of Lipitor, and changing the dosage of the drug may or may not help prevent it. The appropriate dosage of Lipitor should only be determined by a healthcare professional, and other strategies may also help prevent stomach discomfort. Patients should consult their healthcare provider if they experience any side effects while taking Lipitor [1][2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003?p=1
[3] https://www.singlecare.com/blog/lipitor-side-effects/