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Pauline, Doctor (MD)
Category: Health
Satisfied Customers: 8631
Experience:  Medical Doctor & Registered Pharmacist. Worked as Community pharmacist for 17 years.
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How can you tell when an insulin pen is empty?

Customer Question

How can you tell when an insulin pen is empty?
Submitted: 7 years ago.
Category: Health
Expert:  Pauline replied 7 years ago.

Depending on the style of pen then you can remove the cartridge and look for fluid levels in the clear vial.

Pre filled pens vary but tend to have a clear part to the body of the pen so that you can see there is no more solution present.

Have you been having problems with your pen?