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drugs
clinically used drugs
48
Pharmacology
Undergraduate 1
04/01/2013

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Cards

Term
fluoxetine
Definition
serotonin xporter inhibitor
Term
aspirin
Definition
irrersible cox1/2 inhibitors
Term
ibuprofen
Definition
reversible cox1/2 inhibitors
Term
iproniazid, phenelzine, tranylcypromine
Definition
MAO A inhib. = antidepressent activity
Term
captopril, enalapril, ramipril
Definition
angiotensin converting enzyme inhibitors = antihypertensive drugs
Term
sulphonamide
Definition
dihydropteroate synthetase inhib. = no folate made
Term
methotrexate
Definition
dihydrofolate reductase inhib. = anticancer
Term
bethanechol
Definition
parasympathomimetic (m3) - assist bladder empyting, GI motility
Term
pilocarpine
Definition
parasympathomimetic (m3) - treat glaucoma, inc tear production, treat dry mouth
Term
atropine
Definition
mAChR antag - premed for anaesthesia, treat anti-ache poisoning, treat bradycardia, treat IBS + parkinsons
Term
hyoscine
Definition
same as atropine + treat motion sickness
Term
dicycloverine
Definition
mAChR antag - treat IBS
Term
ipratropium
Definition
mAChR antag - bronchdilator
Term
tropicamide
Definition
mAChR antag = cause mydriasis
Term
cyclopentolate
Definition
mAChR antag - cause mydriasis + loss of ability to focus on near object (via m3)
Term
glycopyrronium
Definition
mAChR antag - reversal of non-depolarising nm block (along with antiAChE), reduce excessive secretions (via m3)
Term
tolterodine
Definition
mAChR antag - treat urinary incontinence (dont piss yourself)
Term
darifancin
Definition
mAChR antag. - cause relaxation of detrusor muscle of bladder (via m3) = dont piss yourself
Term
neostigmine, pyridostigmine
Definition
anti-ache - medium action, doesnt cross BBB = increased  ach transmission (depolarising block in excess)
Term
distigmine
Definition
anti-ache = long acting + crosses BBB = increased ach transmission
Term
dyflos
Definition
anti-ache - organophosphate, very potent. effects reversed by pralidoxime
Term
botulinum toxin
Definition

prevents exocytosis of ACh.

treats focal spasticity, urinary incontinence, improves appearance of wrink, involutary blinking, involuntary movement of neck

Term
tubocurarine, pancuronium, vecuronium, rocuronium, astracurium, cisatracurium, mivacurium
Definition

non depolarising blockers

(mivacurium - broken down by plasma cholinesterase)

side effects = histamine release = hypotension/bronchoconstriction etc

USE = intubation and mechanical ventilation

Term
suxamethonium
Definition

dopolarising blocker

causes fasciculation - phase 1 block - phase 2 block

muscle relaxant for tracheal intubation

Term
edrophonium
Definition
ache = short acting, used to diagnose myastenia gravis
Term
malathion
Definition
ache/organophosphate = used to kill head lice/mites
Term
carbidopa/benserazide
Definition
inhibit dopa decarboxyolase (doesnt pass BBB) = levo dopa can pass BBB and be converted to dopamine = parkinsons treatment
Term
alpha-metirosine
Definition
inhibits tyrosine hydroxylase = cant make dopa from tyr = treatment for phaeochromocytoma
Term
imipramine
Definition
antidepressant = inc NA via inhibition of uptake 1/net
Term
phenoxybenzamine
Definition
inc A (inhibits uptake 2/emt)
Term
isocarboxazid, tranylcypromine, phenelzine
Definition

antidepressants

inhibit mao = inc NA

Term
moclobemide
Definition

antidepressant

reversible inhibitor of mao = inc NA

Term
ephedrine, pseudoephedrine
Definition

displacing agents = cause reverse uptake of NA = inc NA at postsynaptic receptors

used as decongestants

Term
guanethidine
Definition
noradrenergic neuron blocking drug = prevents release of NA + depletes nerve endings of NA = used in emergency hypertension
Term
phenylephrine, xylometazoline, oxymetazoline
Definition
alpha 1 adrenoR agonists
Term
clonidine, moxonide, methyldopa
Definition
alpha 2 adrenoR agonist = treat hypertension
Term
isoprenaline, dobutamine, dopamine
Definition
mixed beta adrenoR agonists = treat cardiogenic shock/bradycardia
Term
salbutamol, terbutaline
Definition
beta 2 adrenoR agonists = treat mild asthma via bronchodilation, delay premature labour
Term
adrenaline
Definition
mixed adrenoR agonist = resus from cardiac arrest, treat analphylactic shock
Term
phenoxybenzamine, phentolamine
Definition
mixed alpha adrenoR antagonists = treat hypertension, preop for phaeochromocytoma surgery
Term
prazosin
Definition
alpha 1 adrenoR antagonist = treat hypertension, urinary retention (block a1 in sphincter of bladder = less contraction), treat raynaud's syndrome
Term
propanolol
Definition
beta adrenoR antagonist = treat hypertenion, glaucoma, angina, myocardial infarct
Term
atenolol
Definition
beta 1 adrenoR antagonist = treat angina, myocardial infarct, heart failure, hypertension, glaucoma
Term
carvedilol
Definition
mixed alpha/beta adrenoR antagonist = treats heart failure/hypertension (antagonises b1 in heart and a1 in bv)
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