Typical Starting Dosage for Lipitor
Lipitor (atorvastatin) starting dosage is usually 10 mg or 20 mg taken once daily for adults with high cholesterol or cardiovascular risk. Doctors choose based on patient factors like cholesterol levels, heart disease risk, and kidney function.[1]
How Dosage Adjusts for Different Conditions
For primary prevention in low-risk patients, start at 10 mg daily. High-risk patients (e.g., diabetes or prior heart events) often begin at 20 mg. Maximum is 80 mg daily, with adjustments after 2-4 weeks based on lipid response.[1][2]
Pediatric Dosing Guidelines
Children 10+ with familial hypercholesterolemia start at 10 mg daily; max 20 mg. Younger kids (under 10) use 5-10 mg, adjusted by weight and response.[1]
Differences from Other Statins
Lipitor's 10-20 mg start is common for moderate-intensity therapy, similar to Crestor's 10-20 mg rosuvastatin equivalent. Lower starts (e.g., 5 mg) apply for Asian patients or those on interacting drugs like cyclosporine.[2][3]
Common Side Effects at Starting Doses
Muscle pain, nausea, or elevated liver enzymes occur in 1-5% of starters. Rare rhabdomyolysis risk rises above 40 mg; monitor with blood tests.[1][2]
When to Expect Results
LDL cholesterol drops 30-50% within 2 weeks at 10-20 mg; full effects by 4 weeks.[2]
[1]: FDA Lipitor Label
[2]: Lipitor Prescribing Information
[3]: Drugs.com Atorvastatin Dosing