Recommended Storage for Lipitor
Store Lipitor (atorvastatin calcium) tablets at 20°C to 25°C (68°F to 77°F), with excursions permitted between 15°C and 30°C (59°F and 86°F).[1][2] Keep the container tightly closed and protect from moisture.
Why This Temperature Range?
This range follows USP controlled room temperature standards, which maintain drug stability for atorvastatin. Heat above 30°C or freezing can degrade the active ingredient, reducing potency.[1][3]
What If It's Stored Wrong?
Exposure to temperatures outside 15°C-30°C for short periods usually doesn't harm the drug, but prolonged extremes require discarding it. High humidity or light can also affect tablets in the original packaging.[1][2]
Storing Opened vs. Unopened Bottles
Unopened bottles last up to the expiration date under proper conditions. Once opened, use within 6 months or by the expiration date, whichever comes first, still at room temperature.[2]
Travel and Short-Term Storage Tips
For travel, room temperature in a cool, dry place works. Avoid car glove compartments or direct sunlight, which can exceed safe temps. No refrigeration needed.[3]
Comparison to Other Statins
Lipitor matches storage for Crestor (rosuvastatin) and generic atorvastatin—all room temp, 20-25°C. Pravachol (pravastatin) allows refrigeration but prefers room temp.[1][4]
[1]: Lipitor Prescribing Information (Pfizer)
[2]: DailyMed - Atorvastatin Calcium Tablets
[3]: USP General Chapter <659> Pharmaceutical Storage
[4]: Drugs.com - Statin Storage Guidelines