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Insulin Detemir

Long-acting basal insulin analogue · Antidiabetic, Insulin Therapy

START
10 units (or 0.1–0.2 U/kg) SC once daily
TYPICAL MAX
Titrated to target (no fixed ceiling)
STOP IF
Recurrent severe hypoglycaemia (reassess regimen)
WATCH
Fasting glucose, hypoglycaemia, weight, potassium
CDSCO approvedATC A10AE05
Dose ladderU/d
10start units30titration60common high
Renal dose adjustmenteGFR mL/min/1.73m²
CAUTIONTitrate to glucose; needs often fall30CAUTIONLower requirement; monitor closely90

KDIGO 2024 + manufacturer label

Pharmacokineticsplasma · t hours
1.5hONSET7hPEAK6h20hDURATION
ONSET
1.5h · onset
PEAK
7h · broad plateau
6h · t½ (apparent)
DURATION
20h · basal cover
EXCRETION
Catabolised; minimal intact renal
route + CYP
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
Acceptable in pregnancy (data support use; individualise).
FDA category + note
Top interactionssee all 12
  • CinoxacinSevereDatabaseDDInter
  • CiprofloxacinSevereDatabaseDDInter
  • DelafloxacinSevereDatabaseDDInter
  • EnoxacinSevereDatabaseDDInter
Available in India

1 branded formulation. Look up specific brands in the Drugs workspace.

Mechanism

Acylated insulin analogue that self-associates and reversibly binds albumin, producing a prolonged, relatively flat basal action via insulin-receptor agonism (glucose uptake, suppressed hepatic output).

Indications

Type 1 diabetes mellitus (basal insulin)Type 2 diabetes mellitus requiring basal insulin

Dosing

Adult
Start ~0.1–0.2 units/kg (or 10 units) once daily, or BID; titrate to fasting glucose target.
Pediatric
≥1 y: individualised weight-based basal dosing.
Renal adjustment
No fixed reduction; insulin requirements often fall — monitor and titrate.
Hepatic adjustment
Requirements may fall; monitor glucose and titrate.
Geriatric
Conservative titration; higher hypoglycaemia risk.
Max dose
No fixed maximum — titrated to glycaemic target

Pharmacokinetics

Onset
~1–2 h
Peak effect
Relatively peakless (6–8 h modest)
Duration
~12–24 h (dose-dependent)
Half-life
~5–7 h (apparent, albumin-buffered)
Bioavailability
~60% (subcutaneous)
Protein binding
~98% (albumin, by design)
Metabolism
Proteolytic degradation
Excretion
Catabolised; minimal intact renal

Contraindications

  • Hypoglycaemia
  • Hypersensitivity to insulin detemir/excipients

Side effects

Common
HypoglycaemiaInjection-site reactionsWeight gain (less than some insulins)Lipodystrophy
Serious
  • Severe hypoglycaemia
  • Severe hypersensitivity/anaphylaxis
  • Hypokalaemia

Pregnancy & lactation

Pregnancy

Acceptable in pregnancy (data support use; individualise).

Lactation

Compatible (insulin not orally bioavailable to infant).

Drug interactions

Cinoxacin
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Ciprofloxacin
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Delafloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Enoxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Gatifloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Gemifloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Grepafloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Levofloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Lomefloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Moxifloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Nalidixic Acid
Severe
Database

Clinical effect not specified

Source: DDInter

Norfloxacin
Severe
Database

Clinical effect not specified

Source: DDInter

Related guidelines

Other Long-acting basal insulin analogue drugs

Ask House about Insulin Detemir

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Sources: Goodman & Gilman 14e, Katzung, BNF·Verified: 2026-05-20 · House clinical team·Cockpit curated: 2026-05-20