What Is Apidra? Uses, Dosage, and What You Need to Know in 2026

Apidra is a rapid-acting insulin used to manage blood sugar levels in people with type 1 and type 2 diabetes. Made by Sanofi and first approved by the FDA in 2004, Apidra contains insulin glulisine — a genetically engineered form of insulin that works faster than regular human insulin. This guide covers everything you need to know about Apidra, from what it is to how to use it safely.

What Is Apidra?

Apidra is the brand name for insulin glulisine, a rapid-acting recombinant human insulin analog manufactured by Sanofi. It is a clear, colorless, sterile solution available in 10 mL vials (100 units/mL) and the Apidra SoloStar prefilled disposable pen. Insulin glulisine is produced using recombinant DNA technology — a non-pathogenic strain of E. coli (K12) is engineered to produce the insulin molecule.

Insulin glulisine differs from human insulin in two amino acid substitutions: the amino acid asparagine at position B3 is replaced by lysine, and the lysine at position B29 is replaced by glutamic acid. These changes cause the insulin to dissociate from its hexameric form into monomers more quickly after subcutaneous injection, resulting in a faster onset of action.

What Is Apidra Used For?

Apidra is FDA-approved to improve glycemic control in:

Adults with type 1 or type 2 diabetes mellitus

Children aged 4 years and older with type 1 diabetes

Apidra is a mealtime (prandial) insulin — it is taken before or shortly after meals to prevent blood sugar from rising too high after eating. It is almost always used as part of a basal-bolus regimen, meaning it is taken alongside a long-acting basal insulin (such as Lantus, Toujeo, Tresiba, or Levemir) that covers blood sugar between meals and overnight.

Apidra is NOT indicated for treating type 2 diabetes in children of any age, and is NOT approved for use in infants or children under 4 years old.

How Quickly Does Apidra Work?

Apidra's pharmacokinetic profile makes it one of the fastest-acting conventional rapid-acting insulins available:

Onset: Approximately 15 minutes after subcutaneous injection

Peak: Approximately 30-90 minutes after injection

Duration: 2 to 4 hours

This rapid action mirrors the natural insulin spike your pancreas would release after a meal in a person without diabetes. By closely matching your body's normal insulin response timing, Apidra helps prevent the post-meal blood sugar spike (postprandial hyperglycemia) that, when repeated over years, causes diabetes complications.

How to Take Apidra: Dosage and Administration

Apidra dosage is highly individualized — your doctor will determine the right dose based on your blood glucose readings, diet, activity level, and other factors. General guidelines:

Adults: Total daily insulin requirement typically 0.5-1 unit/kg/day (divided between basal and bolus insulins)

Children (4-17 years): May require 0.8-1.2 units/kg/day during growth spurts; otherwise similar to adult dosing

Timing: Inject within 15 minutes before a meal OR within 20 minutes after starting a meal

Routes: Subcutaneous injection (self-administered), continuous subcutaneous infusion (insulin pump), or intravenous (hospital use only)

Injection sites: Abdominal wall, thigh, or upper arm. Rotate sites within the same region from dose to dose.

How to Store Apidra

Unopened vials or pens: Refrigerate at 36°F-46°F (2°C-8°C) until expiration date; OR store at room temperature (below 77°F/25°C) for up to 28 days

Open (in-use) vials or pens: Keep at room temperature for up to 28 days; do NOT refrigerate in-use SoloStar pens

Never freeze Apidra; do not use if it has been frozen

Keep away from direct sunlight and heat sources

Who Should NOT Use Apidra?

Do not use Apidra if you:

Are currently experiencing low blood sugar (hypoglycemia)

Are allergic to insulin glulisine or any ingredients in Apidra (including metacresol)

Are a child under 4 years old

Have a child with type 2 diabetes (any age — Apidra is not approved for pediatric T2D)

For a detailed look at side effects, read our guide: Apidra Side Effects: What to Expect and When to Call Your Doctor.