Humalog Vial

Humalog Vial (insulin lispro injection) is a fast-acting insulin used to control blood sugar spikes after meals in people with diabetes mellitus. It starts working quickly and is usually taken just before or shortly after eating.

Benefits

• Rapidly lowers blood sugar after meals
• Helps manage both type 1 and type 2 diabetes
• Can be used in combination with long-acting insulin
• Flexible timing — can be taken up to 15 minutes before or immediately after eating
• Allows better day-to-day control of blood sugar levels

Dosage

• Dose is individualized based on your needs, diet, and activity level
• Usually injected subcutaneously (under the skin) in the abdomen, thigh, or upper arm
• Often taken just before meals
• Always follow the dosing instructions given by your doctor
• Can be used with an insulin syringe, insulin pen, or pump

Warnings and Precautions

• Risk of low blood sugar (hypoglycemia) — be alert for symptoms like dizziness, sweating, or confusion
• Let your doctor know if you have kidney or liver problems
• Do not use if the solution is cloudy or contains particles — it should be clear and colorless
• Check insulin type and expiration date carefully before use
• Not to be shared — insulin vials should only be used by one person

How to Use

• Inject under the skin (not into a vein or muscle)
• Rotate injection sites to avoid skin thickening or lumps
• Use a new, sterile syringe or needle each time
• If using with a long-acting insulin, use separate syringes unless told otherwise
• Don’t skip meals after using fast-acting insulin

Storage

• Unopened vials: Store in the refrigerator (2–8°C) until the expiration date
• Opened vials: Can be kept at room temperature (below 30°C) for up to 28 days
• Do not freeze or expose to direct heat or sunlight
• Keep out of reach of children

Side Effects

• Common: low blood sugar, injection site redness or irritation, mild swelling or weight gain
• Other possible: headache, hunger, fast heartbeat, mood changes
• Serious (seek help): severe allergic reaction (rash, swelling, breathing trouble), confusion, fainting, seizures from low blood sugar

More information about Humalog

• Product Monograph – Health Canada
• U.S. Food and Drug Administration Medication Guide