Merck Manual

Please confirm that you are not located inside the Russian Federation

honeypot link
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.