Humalog

Humalog insulin pens are prefilled, disposable injection devices used to deliver rapid-acting insulin (insulin lispro) for people with diabetes. They help control blood sugar levels by working quickly after injection, typically beginning to lower blood glucose within about 15 minutes.

Key Features

• Active ingredient: Insulin lispro (rapid-acting insulin analog)
• Use: Helps manage blood glucose levels in people with Type 1 or Type 2 diabetes
• Administration: Injected subcutaneously (under the skin)
• Onset of action: Approximately 15 minutes
• Peak effect: About 1–2 hours
• Duration: Roughly 2–4 hours
• Prefilled pen design: Portable, convenient, and easy to use
• Common strength: U-100 (100 units/mL)

Typical Uses

• Taken shortly before meals or immediately after eating
• Helps control blood sugar spikes that occur after meals
• Often used alongside longer-acting insulin therapies when prescribed by a healthcare provider

Storage

• Unused pens should generally be refrigerated.
• Once in use, pens may often be kept at room temperature for a limited period according to the manufacturer’s instructions.

Important Safety Information

• Use only as prescribed by a healthcare professional.
• Monitor blood glucose regularly.
• The most common side effect is hypoglycemia (low blood sugar).
• Never share insulin pens between individuals, even if the needle is changed.