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Insulin Aspart

Rapid-acting insulin analogue · Antidiabetic

Also known as Novolog, Fiasp, NovoRapid

START
SC immediately before meals (faster-aspart at meal start to +20 min); individualised by carb ratio
TYPICAL MAX
No fixed ceiling — titrate to prandial glucose
STOP IF
Hypoglycaemia (treat first)
WATCH
Pre/post-meal glucose, hypoglycaemia (renal impairment/missed meals), injection technique, correct product
CDSCO approvedSchedule HATC A10AB05
Renal dose adjustmenteGFR mL/min/1.73m²
FULLUsual titration to glucose60CAUTIONReduced requirement — titrate down15REDUCEMarkedly reduced…90

KDIGO 2024 + manufacturer label

Pharmacokineticsplasma · t hours
15minONSET1.5hPEAK1h4hDURATION
ONSET
15min · prandial onset
PEAK
1.5h · peak
1h · effect t½
DURATION
4h · prandial duration
EXCRETION
Enzymatic degradation (hepatic/renal)
route + CYP
INTERACTIONS
1 major
SEVERE in our sources
PREGNANCY
Acceptable in pregnancy when prandial insulin needed — commonly used; titrate to targets
FDA category + note
Top interactionssee all 5
  • Oral HypoglycaemicsSevereDatabaseKimi deep-research + Cla
Available in India

7 branded formulations and 6 fixed-dose combinations. Look up specific brands in the Drugs workspace.

Mechanism

Recombinant insulin analogue (Asp-B28) with reduced hexamer self-association → faster SC absorption and rapid, short prandial insulin-receptor agonism mimicking physiological mealtime insulin (faster-acting formulation available).

Indications

Type 1 and type 2 diabetes mellitus — prandial (bolus) coverageInsulin pump (CSII); IV use in specialist/critical-care glycaemic control

Dosing

Adult
SC immediately before meal (faster-aspart: at meal start to 20 min after); individualised by carb counting/correction. CSII and IV in specialist settings.
Pediatric
Weight/meal-based, individualised (specialist).
Renal adjustment
Reduced insulin requirement — titrate down, monitor.
Hepatic adjustment
Variable requirement; titrate to glucose.
Geriatric
Conservative targets; hypoglycaemia risk.
Max dose
No fixed ceiling — titrated to prandial glucose

Pharmacokinetics

Onset
~10–20 min
Peak effect
~1–3 h
Duration
~3–5 h
Half-life
~1 h (SC effect)
Bioavailability
SC
Protein binding
Low
Metabolism
Hepatic/renal insulin-degrading enzyme
Excretion
Renal degradation

Contraindications

  • Hypoglycaemia
  • Hypersensitivity to insulin aspart/excipients

Side effects

Common
HypoglycaemiaWeight gainInjection-site lipohypertrophy/reactionsTransient visual changes on initiation
Serious
  • Severe hypoglycaemia (coma/seizure)
  • Severe hypokalaemia
  • Severe hypersensitivity/anaphylaxis (rare)

Pregnancy & lactation

Pregnancy

Acceptable in pregnancy when prandial insulin needed — commonly used; titrate to targets

Lactation

Compatible — not orally bioavailable to infant; adjust maternal dose

Drug interactions

Oral Hypoglycaemics
Severe
Database

Additive hypoglycaemia

Reduce doses; monitor glucose

Source: Kimi deep-research + Cla

Alcohol
Moderate
Database

Unpredictable hypoglycaemia

Counsel; monitor glucose

Source: Kimi deep-research + Cla

Corticosteroids
Moderate
Database

Hyperglycaemia — increased prandial requirement

Up-titrate; monitor

Source: Kimi deep-research + Cla

Non Selective Beta Blockers
Moderate
Database

Mask hypoglycaemia symptoms; impaired recovery

Counsel; monitor glucose

Source: Kimi deep-research + Cla

Thiazide
Moderate
Database

Hyperglycaemia/hypokalaemia

Monitor glucose/potassium

Source: Kimi deep-research + Cla

Related guidelines

Other Rapid-acting insulin analogue drugs

Ask House about Insulin Aspart

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: Goodman & Gilman 14e, Katzung, BNF·Verified: 2026-05-19 · House clinical team·Cockpit curated: 2026-05-19