Atropine

Category: alkaloid

Pharmacological Mechanism

Tropane alkaloid from Atropa belladonna. Competitive muscarinic receptor antagonist (M1–M5). Used for bradycardia (IV), pupillary dilation (ophthalmic), and nerve agent / organophosphate poisoning.

Half-Life (t½)

IV: 4h

Dosing Guidelines

• IV: Typical 1mg (Range: 0.5 - 1 mg)

Target Organ Systems

• nervous