Noradrenergic Drugs Flashcards
Noradrenaline (Transmission)
Transmitter, sympathetic
Adrenaline (Transmission)
Hormone, adrenal medulla
Noradrenaline Agonist Action
alpha: Increase Heart Rate
beta: Bronchodilation
Adrenaline Agonist Action
alpha: Increase Heart Rate
beta: Bronchodilation
Dopamine
Transmitter, CNS
Precursor to NA and A
Isoprenaline
Synthetic derivative of NA
Phenylephrine
Alpha 1 Agonist
Treats Nasal Decongestion (Vasoconstriction)
Salbutamol
Beta 2 Agonist
Treats Asthma (Bronchodilation)
Delays Premature Labour (Relaxes Uterus)
Salmeterol
Beta 2 Agonist
Treats Asthma (Bronchodilation)
Mirabegron
Beta 3 Agonist
Treats Overactive Bladder (Relaxes Bladder)
Phenoxybenzamine
Non-Selective Alpha Antagonist
Decreases Stress Hormones
Prazosin
Alpha 1 Antagonist
Treats Hypertension (Inhibits Vasoconstriction)
Doxazosin
Alpha 1 Antagonist
Treats Hypertension (Inhibits Vasoconstriction)
Propranolol
Non-Selective Beta Partial Antagonist
Beta 1: Decreases BP and Cardiac Output
(Treats Hypertension, Angina)
Beta 2: Treats Tremors
Alprenolol
Non-Selective Beta Partial Antagonist
Beta 1: Decreases BP and Cardiac Output
(Treats Hypertension, Angina)
Beta 2: Treats Tremors
Metoprolol
Beta 1 Antagonist
Decreases BP and Cardiac Output
Atenolol
Beta 1 Antagonist
Decreases BP and Cardiac Output
Nebivolol
Beta 1 Antagonist
Increases NO (Causes Vasodilation)
Decreases BP and Cardiac Output
Labetalol
Alpha/Beta antagonist
Treats Hypertension in pregnancy (Lowers BP)
Carvedilol
Alpha1/Beta antagonist
Treats Heart Failure
a-methyl-tyrosine
Inhibits tyrosine hydroxylase
Inhibits NA and Adrenaline synthesis
Prevents adrenal gland tumour overactivation
Methyldopa
Builds up and displaces NA in synaptic vesicles
Less active than NA on alpha 1 receptors
Not broken down by MAO
L-DOPS
Prodrug
Converted into NA
Amphetamine
Stimulates NA release
Inhibits NA reuptake
Increases NA concentration in synapse
Ephedrine
Stimulates NA release
Beta Agonist
Increase NA concentration in synapse
Imipramine
Blocks NET, inhibits NA reuptake
Anti-cholingergic effects
Cocaine
Blocks NET, inhibits NA reuptake