2) Cholinergic Receptor-Inhibitors Flashcards
What is the class for Atropine
Tertiary amine antimuscarinic
What is the mechanism for Atropine
Blocks muscarinic receptors
What are the therapeutics for Atropine
Mydriasis; cycloplegia
What are the important side effects for Atropine
General block of muscarinic functions
What is the class for Scopolamine (Transderm-Scop)
Tertiary amine antimuscarinic
What is the mechanism for Scopolamine (Transderm-Scop)
Blocks muscarinic receptors
What are the therapeutics for Scopolamine (Transderm-Scop)
Prevent or reduce motion sickness
What are the important side effects for Scopolamine (Transderm-Scop)
General block of muscarinic functions
What is the class for Dicyclomine (Bentyl)
Tertiary amine antimuscarinic
What is the mechanism for Dicyclomine (Bentyl)
Blocks muscarinic receptors
What are the therapeutics for Dicyclomine (Bentyl)
Reduce transient hypermotility
What are the important side effects for Dicyclomine (Bentyl)
General block of muscarinic functions
What is the class for Tropicamide (Mydriacyl)
Tertiary amine antimuscarinic
What is the mechanism for Tropicamide (Mydriacyl)
Blocks muscarinic receptors
What are the therapeutics for Tropicamide (Mydriacyl)
Mydriasis; cycloplegia
What are the important side effects for Tropicamide (Mydriacyl)
General block of muscarinic functions
What are the miscellaneous for Tropicamide (Mydriacyl)
Very rapidly metabolized
What is the class for Tolterodine (Detrol)
Tertiary amine antimuscarinic
What is the mechanism for Tolterodine (Detrol)
Blocks muscarinic receptors
What are the therapeutics for Tolterodine (Detrol)
Treat transient cystitis; postoperative bladder spasms; incontinence
What are the important side effects for Tolterodine (Detrol)
General block of muscarinic functions
What is the class for Benztropine (Cogentin)
Tertiary amine antimuscarinic
What is the mechanism for Benztropine (Cogentin)
Blocks muscarinic receptors
What are the therapeutics for Benztropine (Cogentin)
Treat manifestations of Parkinson’s disease
What are the important side effects for Benztropine (Cogentin)
General block of muscarinic functions
What are the miscellaneous for Benztropine (Cogentin)
Crosses BBB
What is the class for Ipratropium (Atrovent)
Quarternary amine antimuscarinic
What is the mechanism for Ipratropium (Atrovent)
Blocks muscarinic receptors
What are the therapeutics for Ipratropium (Atrovent)
Bronchodilation in asthma or COPD
What are the important side effects for Ipratropium (Atrovent)
General block of muscarinic functions
What is the class for Tiotropium (Spiriva)
Quarternary amine antimuscarinic
What is the mechanism for Tiotropium (Spiriva)
Blocks muscarinic receptors
What are the therapeutics for Tiotropium (Spiriva)
Bronchodilation in asthma or COPD
What are the important side effects for Tiotropium (Spiriva)
General block of muscarinic functions
What are the miscellaneous for Tiotropium (Spiriva)
Longer acting than ipratropium
What is the class for Hexamethonium (Methium)
Ganglionic blocker
What is the mechanism for Hexamethonium (Methium)
Blocks ganglionic (Nn) receptor and sympathetic tone
What are the therapeutics for Hexamethonium (Methium)
Hypertensive crisis; “Bloodless” field surgery
What are the miscellaneous for Hexamethonium (Methium)
Rarely used
What is the class for Mecamylamine
Ganglionic blocker
What is the mechanism for Mecamylamine
Blocks ganglionic (Nn) receptor and sympathetic tone
What are the therapeutics for Mecamylamine
Hypertensive crisis; “Bloodless” field surgery
What are the miscellaneous for Mecamylamine
Rarely used
What is the class for Succinylcholine (Anectine)
Depolarizing blocker
What is the mechanism for Succinylcholine (Anectine)
Overstimulation of nicotinic receptor, leading to desensitization of muscle unit to further ACh stimulation
What are the therapeutics for Succinylcholine (Anectine)
Brief procedures (e.g., tracheal intubation, reset dislocated joints)
What are the important side effects for Succinylcholine (Anectine)
Respiratory paralysis; disturbance of autonomic function
What are the miscellaneous for Succinylcholine (Anectine)
Produces flaccid paralysis within 1 minute
What is the class for Tubocurarine (Curare)
Nondepolarizing blocker
What is the mechanism for Tubocurarine (Curare)
Blocks nicotinic (Nm) receptor
What are the therapeutics for Tubocurarine (Curare)
Muscle relaxant for surgery w/o deep anesthesia
What are the important side effects for Tubocurarine (Curare)
Respiratory paralysis; disturbance of autonomic function
What are the miscellaneous for Tubocurarine (Curare)
Lasts 30-60 minutes
What is the class for Mivacurium (Mivacron)
Nondepolarizing blocker
What is the mechanism for Mivacurium (Mivacron)
Blocks nicotinic (Nm) receptor
What are the therapeutics for Mivacurium (Mivacron)
Muscle relaxant for surgery w/o deep anesthesia
What are the important side effects for Mivacurium (Mivacron)
Respiratory paralysis; disturbance of autonomic function
What are the miscellaneous for Mivacurium (Mivacron)
Rapidly hydrolyzed, short acting
What is the class for Botulinum toxin A (Botox)
Local paralytic
What is the mechanism for Botulinum toxin A (Botox)
Blocks vesicle fusion and ACh release on presynaptic terminal by degrading SNAP-25
What are the therapeutics for Botulinum toxin A (Botox)
Reduce frown lines and wrinkles; achalasia; strabismus; oromandibular dystonia