MedicinehospitalEssential

Isoprenaline

A heart-stimulating injection (isoproterenol) used in shock and during anaesthesia.

Clinical information

Common uses

improving circulation in shock
bronchospasm during anaesthesia

Common side effects

fast heartbeat
palpitations
nervousness
headache
dizziness

Cautions

can trigger heart rhythm problems and angina, especially with heart disease

Interactions

adrenaline (epinephrine) — must not be given at the same time

Pregnancy: only if prescribed — some risks around labour

Reference information, not medical advice — always follow your doctor or pharmacist. Source: DailyMed, dailymed.nlm.nih.gov, Isoproterenol Hydrochloride injection label (Amphastar), setid 86b2455a-0489-405e-bd0b-9f79d3c5350d (accessed 2026-08-16)

Approved brands & formulations2

Brand name	Dosage form	Strength	Importer	Category
Isolin	Parenteral ( Injection )	2 mg/ml	authorized medicine importers	hospital
Isoprenaline	Parenteral ( Injection )	2 mg/ml	MFDA designated importers with Pre Authorization approval before import	hospital