💉 Insulin Storage

How should unopened insulin vials or pens be stored?

In the refrigerator at 36–46°F (2–8°C) until the expiration date.

How long can opened insulin generally be kept at room temperature?

Usually up to 28 days at room temperature

(follow product labeling if different).

Should insulin be frozen?

❌ No.

Insulin should never be frozen – freezing destroys its effectiveness.

Which is the BEST storage condition for unopened insulin vials in the pharmacy?

A. Room temp (68–77°F) only

B. Refrigerator (36–46°F)

C. Freezer (below 32°F)

D. Warm area (86–104°F)

B

A patient asks how long they can keep an opened insulin vial at room temperature. What is the MOST accurate general answer?

A. 7 days

B. 14 days

C. 28 days

D. 90 days

C

Which statement about insulin storage is TRUE?

A. Insulin should be kept in the freezer to prolong shelf life.

B. Insulin is stable at any temperature once opened.

C. Insulin should not be frozen and is usually stored in the refrigerator before opening.

D. Insulin must always be stored above 86°F.

C