Humulin N Vial (Insulin Isophane)

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Humulin N Vial (Insulin Isophane)

Insulin Isophane (Nph)

Product information

Humulin N Vial is an intermediate-acting insulin used to control high blood sugar in people with diabetes. It starts working within 1.5 to 4 hours, peaks in 4 to 12 hours, and lasts up to 24 hours. Injected under the skin, it helps manage blood glucose levels, preventing complications such as nerve damage, kidney issues, and vision problems. Always follow your healthcare provider's instructions for use.

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You may order up to 90 days of medication at a time. All prices are in USD.

Humulin N Vial - Canada Product Information


What is HUMULIN® N?

HUMULIN® N is an intermediate-acting insulin used to help regulate blood sugar levels in people with diabetes. It works slower than regular insulin but lasts longer, typically 16 to 18 hours. This medication is made using a process that creates insulin identical to what your body produces naturally. It’s available in vials for injection under the skin.


Why is HUMULIN® N prescribed?

HUMULIN® N helps people with diabetes keep their blood sugar levels close to normal. This control is essential to avoid complications associated with high or low blood sugar.


When should HUMULIN® N not be used?

  • You are allergic to insulin or any ingredients in the product.
  • You are experiencing low blood sugar (hypoglycemia).
  • Your doctor hasn’t prescribed NPH insulin for your treatment.

How is HUMULIN® N administered?

HUMULIN® N is injected under the skin using a syringe or injection pen. Here’s a simple guide:

  1. Prepare your insulin: Gently mix the vial by rolling or shaking it until the solution looks cloudy or milky.
  2. Prepare your syringe: Draw air into the syringe equal to your prescribed dose, then inject the air into the vial.
  3. Withdraw your dose: Turn the vial upside down and draw the correct amount of insulin into the syringe, checking for air bubbles.
  4. Inject the insulin: Choose a clean injection site and insert the needle under the skin. Rotate injection sites with each dose to avoid skin issues.

What should you know about storage?

  • Keep unused vials in the refrigerator.
  • Once opened, vials can be kept at room temperature, but must be used within 28 days.
  • Do not freeze the insulin or expose it to direct heat or sunlight.

What are common side effects?

The most frequent side effect of insulin therapy is low blood sugar (hypoglycemia). Symptoms include shakiness, fatigue, and a rapid heartbeat. Treat low blood sugar immediately with a fast-acting sugar like juice or candy.


Other potential side effects include:

  • Redness, swelling, or itching at the injection site.
  • Changes in skin texture (thickening or lumps) at the injection area.

If you experience severe reactions like difficulty breathing or rash over your entire body, seek medical help right away.


Tips for managing your insulin treatment

  • Monitor your blood sugar regularly. This helps ensure your treatment is working effectively.
  • Stay prepared. Always carry an extra supply of insulin and snacks to treat low blood sugar.
  • Wear medical identification. This ensures proper care in case of emergencies.
  • Discuss changes with your doctor. Any adjustments to your insulin type or dose should be supervised by your healthcare provider.

When to call your doctor

Contact your healthcare provider if:

  • Your blood sugar levels are consistently too high or low.
  • You experience unusual symptoms after taking HUMULIN® N.
  • You have questions about adjusting your insulin dosage.

For more information, consult your healthcare provider. Always follow your doctor’s instructions and never make changes to your treatment without professional guidance.


Reference: Humulin N Canadian consumer information leaflet


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