Atropine is a muscarinic antagonist (anticholinergic) that inhibits the parasympathetic nervous system by blocking acetylcholine at muscarinic receptors. It acts on the heart, smooth muscles, and glands.
โ Indications / Uses:
Condition
Use
Bradycardia (slow heart rate)
Increases heart rate
Pre-anesthetic medication
Reduces salivary and respiratory secretions
Organophosphate poisoning
Antidote to reverse muscarinic effects
Reversal of neuromuscular blockade
In combination with neostigmine
Eye procedures (in other forms)
Used as a mydriatic/cycloplegic agent
โ Advantages:
Rapid onset (especially IV)
Effective antidote in poisoning
Can be used in emergencies (bradycardia, cardiac arrest)