Byetta Prefilled Pen

Name: Byetta Prefilled Pen

What is Byetta?

This medication guide provides information about the Byetta brand of exenatide. Bydureon is another brand of exenatide that is not covered in this medication guide.

Exenatide is an injectable diabetes medicine that helps control blood sugar levels. This medication helps your pancreas produce insulin more efficiently. Byetta is a short-acting form of exenatide.

Byetta is used together with diet and exercise to improve blood sugar control in adults with type 2 diabetes. Byetta is not for treating type 1 diabetes.

Byetta may also be used for purposes not listed in this medication guide.

What happens if I miss a dose?

Use the missed dose as soon as you remember, but only if you have not yet eaten a meal. Skip the missed dose if you have already eaten a meal, or if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose can cause severe nausea and vomiting, or signs of low blood sugar (headache, hunger, irritability, dizziness, feeling shaky).

Byetta side effects

Get emergency medical help if you have signs of an allergic reaction: hives, itching; rapid heartbeats; difficult breathing; feeling light-headed; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

  • pancreatitis--severe pain in your upper stomach spreading to your back, nausea and vomiting, fast heart rate;

  • low blood sugar--headache, hunger, sweating, irritability, dizziness, nausea, fast heart rate, and feeling anxious or shaky; or

  • kidney problems--little or no urination, painful or difficult urination, swelling in your feet or ankles, feeling tired or short of breath.

Common side effects may include:

  • heartburn, nausea, vomiting, diarrhea, constipation;

  • headache, dizziness;

  • weakness; or

  • feeling jittery.

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.

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