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  • Basic Info
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What side effects may I notice from receiving this medicine?

Side effects that you should report to your health care professional or doctor as soon as possible:

Symptoms of low blood sugar:
  • You may feel nervous, confused, dizzy, hungry, weak, sweaty, shaky, cold, and irritable. You may also experience headache, blurred vision, rapid heartbeat and loss of consciousness.

Symptoms of high blood sugar:

  • You may experience dizziness, dry mouth, dry skin, fruity breath, loss of appetite, nausea, stomach ache, unusual thirst, frequent urination

Insulin also can cause rare but serious allergic reactions in some patients, including:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems

Side effects that usually do not require medical attention (report to your health care professional or doctor if they continue or are bothersome):

  • increase or decrease in fatty tissue under the skin, through overuse of a particular injection
  • itching, burning, swelling, or rash at the injection site

Where should I keep my medicine?

Keep out of the reach of children.

Store unopened insulin vials in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze or use if the insulin has been frozen. If unopened and in the refrigerator, your insulin can be used until the expiration date printed on the vial. Opened vials (vials currently in use) may be stored at room temperature, at approximately 25 degrees C (77 degrees F) or cooler. Keeping your insulin at room temperature decreases the amount of pain during injection. If you are using Humulin brand vials, your insulin should be thrown away after 31 days. If you are using Novolin brand vials, your insulin should be thrown away after 42 days.

Protect from light and excessive heat. Throw away any unused medicine after the expiration date or after the specified time for room temperature storage has passed.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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