Yes, seniors (age 65+) typically need lower Lipitor (atorvastatin) doses due to increased risk of muscle damage and slower drug clearance. The FDA recommends starting at 10 mg once daily for those 65 and older, compared to 10-20 mg for adults under 65, with a maximum of 20 mg daily unless higher doses are needed for specific cholesterol goals.[1][2]

Adjustments depend on kidney/liver function, other drugs, and cardiovascular risk. Doctors often monitor closely and may halve doses further if side effects occur.[1][3]

Sources
[1]: FDA Lipitor Label
[2]: Drugs.com - Atorvastatin Dosage
[3]: DrugPatentWatch.com - Lipitor (Atorvastatin)