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Diabetes and Insulin


Made by the beta cells in your pancreas, insulin is a key hormone. Insulin helps sugar, or glucose, move from your blood into your cells. This lowers your blood sugar levels. Whatʼs more, the cells of your body use this blood sugar for fuel, so insulin is very important.

Without enough insulin, blood sugar cannot be moved to parts of the body that need it. This can result in high blood sugar. High blood sugar can then cause many different problems that are considered signs or symptoms of diabetes. These symptoms may include extreme thirst or hunger, weight loss, or feeling unusually tired and irritable.

Diabetes is a condition in which sugar levels in your blood are high. With diabetes, the body may not be able to produce enough insulin or to use insulin the right way. It may be that the body does not produce any insulin at all. Without insulin to help the body use blood sugar, blood sugar levels increase in the body. This is why most people with diabetes require treatment to lower blood sugar levels.

Type 1 and type 2 diabetes

There are two main types of diabetes. Learn more about the causes, symptoms, and differences between type 1 diabetes and type 2 diabetes.

Next: Type 1 Diabetes >

Indications and Usage

What is NovoLog® (insulin aspart [rDNA origin] injection)?

  • NovoLog® is a man-made insulin used to control high blood sugar in adults and children with diabetes mellitus.

Important Safety Information

Who should not take NovoLog®?

Do not take NovoLog® if:

  • your blood sugar is too low (hypoglycemia) or you are allergic to any of its ingredients.

Before taking NovoLog®, tell your health care provider about all your medical conditions including, if you are:

  • pregnant, plan to become pregnant, or are breastfeeding.
  • taking new prescription or over-the-counter medicines, including supplements.

Talk to your health care provider about how to manage low blood sugar.

How should I take NovoLog®?

  • Read the Instructions for Use and take exactly as directed.
  • NovoLog® is fast-acting. Eat a meal within 5 to 10 minutes after taking it.
  • Know the type and strength of your insulin. Do not change your insulin type unless your health care provider tells you to.
  • Check your blood sugar levels. Ask your health care provider what your blood sugar levels should be and when you should check them.
  • Do not share needles, insulin pens, or syringes. You may give or get an infection from another person.

What should I avoid while taking NovoLog®?

  • Do not drive or operate heavy machinery, until you know how NovoLog® affects you.
  • Do not drink alcohol or use medicines that contain alcohol.

What are the possible side effects of NovoLog®?

Serious side effects can lead to death, including:

Low blood sugar. Some signs and symptoms include:

  • anxiety, irritability, mood changes, dizziness, sweating, confusion, and headache.

Your insulin dose may need to change because of:

  • weight gain or loss, increased stress, illness, or change in diet or level of physical activity.

Other common side effects may include:

  • low potassium in your blood, injection site reactions, itching, rash, serious whole body allergic reactions, skin thickening or pits at the injection site, weight gain, and swelling of your hands and feet.

Get emergency medical help if you have:

  • trouble breathing, shortness of breath, fast heartbeat, swelling of your face, tongue, or throat, sweating, extreme drowsiness, dizziness, or confusion.

For more information, please click here for complete NovoLog® Prescribing Information.

NovoLog® is a prescription medicine.

Talk to your doctor about the importance of diet and exercise in your treatment plan.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

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If you need assistance with prescription drug costs, help may be available. Visit pparx.org or call 1-888-4PPA-NOW.

Selected Important Safety Information

Who should not take NovoLog®?

Do not take NovoLog® if:

  • your blood sugar is too low (hypoglycemia) or you are allergic to any of its ingredients.

How should I take NovoLog®?

  • Read the Instructions for Use and take exactly as directed.
  • NovoLog® is fast-acting. Eat a meal within 5 to 10 minutes after taking it.
  • Know the type and strength of your insulin. Do not change your insulin type unless your health care provider tells you to.
  • Check your blood sugar levels. Ask your health care provider what your blood sugar levels should be and when you should check them.
  • Do not share needles, insulin pens, or syringes. You may give or get an infection from another person.

Please click here for additional Important Safety Information

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