Find information on medical topics, symptoms, drugs, procedures, news and more, written in everyday language.

Insulin Syringe and Insulin Pen

Insulin Syringe and Insulin Pen
Insulin Syringe and Insulin Pen

This image shows an insulin syringe (clear device with orange cap) and an insulin pen (device with green push button). The syringe is filled with insulin from the vial. The pen contains a chamber that is prefilled with insulin, and the amount of insulin delivered can be adjusted by turning the knob on the top of the pen.