As a result, the Lilly Pens were designed with many distinctive features that make them simple, convenient and easy to use. Humalog should be used with a longer-acting insulin, except when used in combination with sulfonylureas. Important Safety Information Potential side effects associated with the use of all insulins include low blood sugar, weight gain, low blood potassium, changes in fat tissue at the site of injection, and allergic reactions, both general and local. Starting or changing insulin therapy should be done cautiously and only under medical supervision. Back to top 6.
Pens are sturdy and reliable.
They have gone through rigorous testing, meeting or exceeding the standards by which all insulin pens are judged. The Pen body is made from advanced engineering resins to make it sturdy. These materials also make the Pens light, easy to carry, and more attractive. Humalog should be used with a longer-acting insulin, except when used in combination with sulfonylureas. Important Safety Information Potential side effects associated with the use of all insulins include low blood sugar, weight gain, low blood potassium, changes in fat tissue at the site of injection, and allergic reactions, both general and local.