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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