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Agent Acting At Peri.Cholinergic/Adrenergic (Synthesis (C (Choline Acetyl…
Agent Acting At Peri.Cholinergic/Adrenergic
Synthesis
C
Choline Acetyl transferase inhibitors
Depletion ACh
A
Typrosine hydroxylase
Depletion NE
Metabolic Transformation
A
Methyldopa
alpha 2 agonist = depletion Ach
Membrane Block
C
Hemicholinium
Depletion Ach
A
Cocaine, imipramine
Accumulatioin NE at rêcptors
Storage
Blockage
A
Reserpine
Destruction of NE
C
Vesamicol
Block ACh storage
Exocytosis / Displacement
C
Latrotoxins
cholinomimetic
A
Amphetamine , tyramine
Sympathomimetic
Prevention of Release
C
Botulinum toxin
Anti - Cholinegic
A
Abretylium, guanadrel
Anti - Adrenegic
postjuct
Mimicry
A
Alpha 1: Phenylephrine
selective adrenomimetic
Alpha 2: clonidine
Periphery: Sympathomimetic
CNS: reduce sympathic
Alpha 1 & 2: oxymetazoline
non selective adrenomimetic
Beta1: dobutamine
cardiac stimulation
Beta 2: terbutaline
smooth muscle contraction
Beta 1 & 2: isoproterenol
non selective Betanomimetic
C
M: Methacholine, bethanachol
Cholinomimic
N: Nicotine, epibatidine, cytisine
Cholinomimic
Blockade
C
M: Atropine
Nm: tubucurarine, atracurium
Nn: trimethaphan
A
alpha 1 & 2: phenoxybenzamine, phentolamine
alpha 1: prazosin
alpha 2 Yohimbine
Beta 1 & 2: propranolol
Beta 1: metoprolol, atenolol
Beta 2: labenolol
Enzyme breakdown Inhibition
A
N-S MAOi: pargyline, nialamide
little effect on NE or sympathetic
S MAO-Bi: selegeline
potetiation of tyramine
P COMTi: entacapone
Adjunct in Parkinson
COMTi: tolcapone
Adjunct in Parkinson
C
AChE inhibitors
cholinomimetic at M
Edrophonium, neostigmine
Depolarization blockade at N