Medications and Drugs
Brand Names: Humalog Mix 50/50, Humalog Mix 50/50 KwikPen, Humalog Mix 50/50 Pen, Humalog Mix 75/25, Humalog Mix 75/25 KwikPen, Humalog Mix 75/25 Pen
Generic Name: insulin lispro and insulin lispro protamine (Pronunciation: IN soo lin LISS pro and IN soo lin LISS pro PRO ta meen)
What is insulin lispro and insulin lispro protamine (Humalog Mix 50/50, Humalog Mix 50/50 KwikPen, Humalog Mix 50/50 Pen, Humalog Mix 75/25, Humalog Mix 75/25 KwikPen, Humalog Mix 75/25 Pen)?
Insulin is a hormone that is produced in the body. It works by lowering levels of glucose (sugar) in the blood. Insulin lispro is a fast-acting form of insulin. Insulin lispro protamine is an intermediate-acting form of insulin.
Insulin lispro and insulin lispro protamine may also be used for purposes not listed in this medication guide.
What are the possible side effects of insulin lispro and insulin lispro protamine?
Get emergency medical help if you have any of these signs of insulin allergy: itching skin rash over the entire body, wheezing, trouble breathing, fast heart rate, sweating, or feeling like you might pass out.
Hypoglycemia, or low blood sugar, is the most common side effect of insulin. Symptoms include headache, hunger, weakness, sweating, tremors, irritability, trouble concentrating, rapid breathing, fast heartbeat, fainting, or seizure (severe hypoglycemia can be fatal). Carry hard candy or glucose tablets with you in case you have low blood sugar.
Insulin lispro and insulin lispro protamine can also cause hypokalemia (low potassium levels in the blood). Call your doctor at once if you have symptoms such as confusion, uneven heart rate, extreme thirst, increased urination, leg discomfort, muscle weakness or limp feeling.
Tell your doctor if you have itching, swelling, redness, or thickening of the skin where you inject insulin lispro and insulin lispro protamine.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is the most important information I should know about insulin lispro and insulin lispro protamine?
Use this medication within 15 minutes before eating a meal.
Low blood sugar (hypoglycemia) can occur if you skip a meal, exercise too long, drink alcohol, or are under stress. Symptoms include headache, hunger, weakness, sweating, tremors, irritability, or trouble concentrating. Carry hard candy or glucose tablets with you in case you have low blood sugar. Other sugar sources include orange juice and milk. Be sure your family and close friends know how to help you in an emergency.
Signs of blood sugar that is too high (hyperglycemia) may include increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, and weight loss. Your blood sugar will need to be checked often, and you may need to adjust your insulin dose.
Never share an injection pen or cartridge with another person. Sharing injection pens or cartridges can allow disease such as hepatitis or HIV to pass from one person to another.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
- How to Control Your Blood Sugar
- 20 Reasons for Blood Sugar Spikes
- Being There for Your Child With Type 1 Diabetes