What is the recommended frequency for lipitor use?

Standard Dosing for Lipitor

Lipitor (atorvastatin) is taken once daily. The usual starting dose for most adults with high cholesterol is 10-20 mg orally once a day, with or without food, typically in the evening.[1][2]

How Often to Take It for Different Conditions

• High cholesterol or triglycerides: Once daily, evening preferred as cholesterol synthesis peaks at night. Doses range from 10-80 mg based on response and risk factors.[1]
  
• Prevent heart attack or stroke: Same once-daily schedule, often 10-40 mg.[2]
  
• Children (10+ years with familial hypercholesterolemia): Once daily, starting at 10 mg (max 20 mg).[1]
  
  Adjustments depend on blood tests; doctors may increase every 2-4 weeks up to 80 mg.
  
  

What If You Miss a Dose?

Take it as soon as remembered unless it's near the next dose—then skip and resume normally. Never double up.[1][2]

Why Once Daily and Not More?

Lipitor's long half-life (14 hours) maintains steady blood levels with one dose, improving adherence over multiple daily pills.[3]

Common Mistakes Patients Make

Splitting doses or taking irregularly reduces effectiveness. Evening dosing maximizes LDL reduction by 10-15% vs. morning.[3]

Sources
[1]: Lipitor Prescribing Information (Pfizer)
[2]: FDA Label for Atorvastatin
[3]: Drugs.com - Lipitor Dosing