Humulin is a prescription-strength, injectable human insulin used to treat diabetes mellitus by lowering high blood sugar levels. Manufactured by Eli Lilly, it is identical in chemical structure to the natural insulin produced by the human pancreas.
Depending on your doctor's prescription, Humulin comes in several specific formulations designed for different onset and duration profiles:
Humulin R (Regular / Short-Acting): Clear solution that starts working quickly (within 30 minutes) to control blood sugar spikes around meals. Can be injected intravenously in emergency clinical settings.
Humulin N (NPH / Intermediate-Acting): Cloudy suspension providing intermediate coverage, typically lasting up to half a day to maintain baseline blood sugar control.
Humulin 70/30 (Pre-mixed): A fixed combination of 70% NPH insulin (intermediate-acting) and 30% Regular insulin (short-acting) for convenient twice-daily dosing.
Insulin is a vital metabolic hormone:
Cellular Glucose Uptake: It binds to insulin receptors on muscle and fat cells, signaling them to absorb glucose from the bloodstream.
Glycemic Regulation: It inhibits glucose production in the liver and stops fat breakdown, successfully restoring normal blood sugar levels and preventing diabetic complications.
Low Blood Sugar: The most common and serious risk of insulin therapy is hypoglycemia. Symptoms include shaking, sweating, dizziness, rapid heartbeat, confusion, and hunger. Always carry fast-acting carbohydrates (like glucose tablets or juice) and inform your family members.
Potassium Levels: Insulin shifts potassium into cells, which can occasionally cause low blood potassium (hypokalemia). Regular monitoring of blood chemistry and rotating injection sites (to prevent lipodystrophy or skin thickening) is essential.
Standard Dosing:
Strictly follow your physician's customized dosage, timing, and injection schedule based on your blood glucose monitoring.
How to Inject:
Administer subcutaneously (under the skin) into the abdomen, thigh, upper arm, or buttocks.
Rotate your injection sites with each injection within the same general body area to prevent skin lumps or indentations (lipodystrophy).
Never share insulin pens, needles, or syringes.
Common and rare potential effects include:
Hypoglycemia (low blood sugar symptoms)
Weight gain or mild fluid retention
Injection site reactions (redness, swelling, itching, or skin thickening)
Rare allergic skin reactions
Unopened Vials / Pens: Store in a refrigerator between 2°C and 8°C. Do not freeze.
In-Use Vials / Pens: Can be kept at room temperature (below 25°C or 30°C) for up to 28 to 42 days (check specific product labeling), away from direct heat and light.
Keep strictly out of reach of children.
No. Always check your prescription label carefully before every injection. Mixing up short-acting (Regular) and intermediate-acting (NPH) insulins can cause dangerously high or low blood sugar episodes.
Immediately consume 15 to 20 grams of fast-acting glucose (such as glucose tablets, fruit juice, or regular soda), rest, and retest your blood sugar after 15 minutes. Seek emergency medical help if symptoms persist.
You can order verified, original prescription insulin products like Humulin 70/30, R, or N directly online from Sanlive Pharmacy & Stores with a valid prescription.
We offer fast, temperature-controlled doorstep delivery across Nigeria, as well as international shipping to the UK, US, Europe, Middle East, and other parts of the world.
Notice: This guide is for simple educational information only. Humulin is a prescription biological medication and must be injected strictly under the guidance and supervision of a licensed physician or endocrinologist.
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