News

Glucagon intravenous for adults

Who can administer

May be administered by registered competent doctor or nurse/midwife

Important information

  • Usually given by the subcutaneous or intramuscular route for the treatment of severe hypoglycaemia reactions
  • Please ensure additional supplies are ordered by pharmacy if large doses by infusion are being administered
  • Protect the airway in case of vomiting
  • Equivalencies: a 1mg dose is the same as 1 unit

Available preparations

Glucagen Hypokit 1mg

Reconstitution

  • Add 1.1mL water for injection (provided) to the vial containing the powder to produce a 1mg/1mL solution
  • Shake gently until completely dissolved
  • A syringe with a thinner needle and a finer graduation may be more suitable in diagnostic procedures

Infusion fluids

Glucose 5%

Methods of intravenous administration

Bolus intravenous injection (ref 2)

  • Administer over one to two minutes
  • Rapid injection may be associated with increased nausea and vomiting

Slow intravenous injection (when used as a diagnostic aid) (ref 1)

  • Administer over at least 3 minutes
  • Rapid injection may be associated with increased nausea and vomiting (ref 2,3)

Intermittent intravenous infusion (unlicensed) (ref 1)

  • There is no recommended final volume/concentration for dilution. It is usually convenient to dilute in 100 or 250mL, but larger or smaller volumes can be used if necessary

Dose in adults

Severe hypoglycaemia

  • Usually 1mg, given by the subcutaneous or intramuscular route

Diagnostic indication (inhibition of gastrointestinal motility)

  • Relaxation of stomach, duodenal bulb, duodenum and small bowel: 0.2 to 0.5mg as intravenous injection
  • Relaxation of colon: 0.5 to 0.75mg as intravenous injection
  • Higher doses may be given for these indications if by the intramuscular route- see SPC

Severe hypotension, heart failure, cardiogenic shock (unlicensed) (ref 2)

  • Give 5 to 10 mg as an IV bolus over 1 to 2 minutes
  • If haemodynamic improvement is achieved with this dose, consider an infusion of 50-150 micrograms/kg/hour, (0.05 to 0.15mg/kg/hour), titrated to clinical response
  • Limited evidence is available for the use of doses in excess of 10 mg/hour
  • The reconstituted solution for IV infusion can be administered without further dilution, or may be diluted with glucose 5%

Renal or hepatic impairment

  • No dosage adjustment is required

Storage

  • Store in a refrigerator between 2 and 80C - for full shelf life of product
  • May be stored at room temperature for up to 18 months (providing the expiry date is not exceeded)

References

SPC February 2023
1: Injectable medicines guide - Medusa, downloaded 07/01/2025
2: Toxbase, accessed online 11/02/2025

Therapeutic classification

Glycogenolytic hormone