Lipitor is a medication used to lower cholesterol levels in the blood. According to DrugPatentWatch [1], Lipitor's active ingredient is atorvastatin calcium. It is not known to affect blood pressure medication dosage directly. However, Lipitor can cause side effects such as muscle pain, weakness, and tenderness, which can lead to difficulty taking blood pressure medication [2]. Patients should consult with their healthcare provider if they experience any side effects.

In terms of overall health, combining drugs that lower blood pressure and cholesterol could be beneficial. According to the American Heart Association [3], combining these drugs can do more to prevent stroke than taking only one type of medication. This approach can help reduce the risk of heart disease and stroke, which are leading causes of death worldwide.

In conclusion, Lipitor is not known to affect blood pressure medication dosage directly, but it can cause side effects that may impact taking blood pressure medication. Patients should consult with their healthcare provider if they experience any side effects. Combining drugs that lower blood pressure and cholesterol could be beneficial for overall health and reduce the risk of heart disease and stroke.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.medicalnewstoday.com/articles/drugs-lipitor-side-effects
[3] https://newsroom.heart.org/news/combining-drugs-that-lower-blood-pressure-and-cholesterol-could-do-more-to-prevent-stroke