Endocrine System Home > NPH Insulin/Regular Insulin
NPH insulin/regular insulin is an over-the-counter medication used for controlling blood sugar in people with diabetes. It is a combination product that contains an intermediate-acting insulin and a short-acting insulin. This diabetes medication is injected just under the skin, about half an hour before meals. Potential side effects include low blood sugar, allergic reactions, and skin reactions at the injection site.
- Low blood sugar levels (hypoglycemia)
- A skin reaction at the injection site
- Thickening or pitting of the skin at the injection site
- Allergic reactions.