Humulin-N Injection 100IU

About Humulin-N Injection 100IU

Uses

• Type 1 diabetes mellitus requiring long term insulin therapy
• Type 2 diabetes mellitus when oral medicines no longer control blood sugar
• Combined with a short acting or rapid acting insulin for a basal bolus plan
• Diabetes management during pregnancy when advised by a doctor

Benefits

• Provides steady intermediate acting background insulin coverage
• Helps lower fasting and between meal blood sugar levels
• Reduces long term risk of diabetes related complications when used correctly
• Can be combined with other insulins for a complete daily plan

What Experts Say

NPH insulin is intermediate acting because protamine and zinc are added to slow its release into the bloodstream. Onset begins one to two hours after injection, compared with Regular insulin, which starts working within about thirty minutes. Peak effect occurs between four and twelve hours, with duration extending to eighteen hours, suiting twice daily basal dosing rather than mealtime coverage.

Unlike Regular insulin, a clear solution needing no mixing, Humulin-N is a cloudy suspension since insulin crystals are combined with protamine sulfate. The vial must be rolled gently between the palms before each dose so particles disperse evenly. Vigorous shaking can cause clumping or air bubbles, risking an inconsistent dose.

Doctors in Pakistan commonly prescribe NPH once or twice daily for steady background insulin, often paired with a short acting or rapid acting insulin at mealtimes for fuller coverage. Since its peak effect can coincide with sleep or gaps between meals, clinicians stress consistent meal timing and regular blood sugar checks to reduce delayed hypoglycemia risk.

Drug Class

• Intermediate acting human insulin
• Insulin isophane suspension (NPH)

Humulin-N Injection 100IU formula

• Insulin Isophane (NPH) 100IU/ml

Available forms

• Injection

How to use Humulin-N Injection 100IU?

• Roll the vial gently between the palms to resuspend the cloudy solution before drawing up each dose, do not shake vigorously
• Inspect the vial to confirm the mixture looks evenly cloudy with no clumps or frosted particles before injecting
• Inject subcutaneously only, into the abdomen, thigh, upper arm or buttock as directed by the doctor
• Rotate injection sites within the same body region to prevent lumps under the skin
• Typically dosed once or twice daily according to the doctor's individualized plan
• Do not mix with other insulins in the same syringe unless specifically instructed by the doctor

Drug Interactions

• Other glucose lowering medicines can increase the risk of hypoglycemia when combined
• Beta blockers may mask common warning symptoms of low blood sugar such as a fast heartbeat
• Corticosteroids can raise blood sugar levels and reduce insulin effectiveness
• Certain diuretics may affect blood sugar control when taken together
• Alcohol can increase the risk of delayed hypoglycemia

Risks and warnings

• Can cause hypoglycemia, especially if a meal is delayed or skipped after dosing
• Do not use the vial if the solution remains clumped, frosted or has visible particles after rolling
• Never share pens, cartridges or needles between patients, even after changing the needle
• Use caution when switching between insulin types or brands, as onset and duration can differ
• Monitor blood sugar closely during illness, exercise or changes in diet

Humulin-N Injection 100IU Side Effects

• Low blood sugar (hypoglycemia)
• Redness, swelling or itching at the injection site
• Weight gain
• Thickening or pitting of skin at frequently used injection sites
• Swelling in the hands or feet
• Allergic reaction in rare cases

Storage Conditions

• Store unopened vials in the refrigerator between 2 and 8 degrees Celsius
• Do not freeze, discard the vial if it has ever been frozen
• An in use vial can be kept at room temperature, below 30 degrees Celsius, for up to 31 days as advised by the manufacturer
• Keep away from direct sunlight and heat
• Keep out of reach of children