Ephedrine

Ephedrine

Mechanism of action

Mainly used as a vasoconstrictor.

Sympathomimetic agent acting directly on alpha and beta adrenoreceptors and indirectly causing release of noradrenaline at sympathetic nerve endings.

Indications and dose

Side-effects

Hypertension

Bradycardia

Arrhythmias

Pharmacokinetics

Onset: seconds (IV), 10-20 minutes (IM)

Duration: 60 minutes (IV/IM)

Bioavailability: >90%

Metabolism: Hepatic

Half-life of elimination: 3-6 hours

Excretion: Urine

Directions for administration

Dilute in e.g. 10 ml of 0.9% sodium chloride.

Medicinal forms

1 vial = 30 mg in 1 ml

1 vial = 50 mg in 1 ml

References

  1. https://bnf.nice.org.uk/drugs/ephedrine-hydrochloride/ 
  2. https://www.medicines.org.uk/emc/product/9291/smpc 
  3. https://en.wikipedia.org/wiki/Ephedrine