Drug lookup
Drug reference

noradrenaline

Direct sympathomimetic · Pressor agent

Direct sympathomimeticPressor agent
CDSCO approved
EXCRETION
not curated
INTERACTIONS
none in our sources
PREGNANCY
not curated

Mechanism

Noradrenaline acts as an agonist on α1, α2, β1, and β3 adrenoceptors, but has no β2 action. It causes a rise in systolic, diastolic, and mean BP by vasoconstriction, and increases heart rate and cardiac output.

Dosing

Adult
2–4 µg/min i.v. infusion

Pharmacokinetics

Duration
Action starts declining within 5 min of discontinuing infusion.

Side effects

Serious
  • Local tissue necrosis (if solution extravasates)

Drug interactions

Lithium
Moderate
Textbook

Reduced pressor effect of noradrenaline.

Not explicitly stated

Source: KDT 7e

Related guidelines

Other Direct sympathomimetic drugs

Ask House about noradrenaline

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team