Insulin pen is a kind of insulin injection device, which can be replaced and reused, the specification of different insulin injection solution is different, take Glycine Insulin Injection as an example, each pen contains 1.5 ml of injection solution, i.e., 450 units of Glycine Insulin, then one unit is equal to about 0.003 ml.
Adverse reactions such as lipoatrophy, hypoglycemia and allergy may occur after the use of insulin. Those who are allergic to Glycine Insulin need to be prohibited from the use of insulin, and the use of insulin needs to pay attention to the occurrence of hypoglycemia, and should be used under the guidance of a doctor.
Insulin needs extra attention in dosage and usage, and it is recommended to use it under the guidance of professional physicians.