DRUGS Flashcards
Clonidine L6
alpha 2 agonist
Prejunctional inhibitory action
Hypertension- but rare
decreases sympathetic effects on the heart and blood vessels
Isoprenaline ISO
L6
Beta agonist
Non selective beta 1/2
Bronchodilation in asthma but severe palpitations
Synthetic catecholamine
Sulbutamol
L16 Asthma
Beta 2 agonist
SABA
Bronchodilation, relievers-relax
Phenylephrine PE L6
Alpha 1 agonist
used as an ocular decongestant
Synthetic Non catecholamine
Prazosin
L15 CVS
Alpha 1 blocker
Decrease TPR, BP
Suxamethonium
Wks 2
-Depolarising and competitive neuromuscular blocking drug
-Acts on nicotinic receptors resulting in persistent depolarization of EMP- end motor plate
-Skeletal muscle relaxant
Polymorphism changes the structure
d-tubocurarine
curare
L7
nicotinic competitive reversible antagonist
reversed with neostigme
Skeletal muscle goes slack
Pilocarpine
L7
muscarinic agonist
Cholinergic receptor
Used to treat gluacome
Hexamethonium
L7
Nicotinic antagonist
ganglion docking drug
Neostigmine
AChE L7
Reversible competitive (non-depolarising) cholinesterase inhibitor AChE Medium duration anti-cholinesterase blockage of neuromuscular blockers Selective for NMJ Used to treat Myasthenia gravis
Physostigmine
AChE L7
AChE cholinesterase inhibitor
Selective for parasympathetic junctions
Used to treat glaucoma: eye disease
Muscarinic antagonists: (cholinoceptor antagonists)
L7
Hyoscine: motion sickness
-Working in the CNS to block cholinergic pathways
Atropine:
-Reduce secretions (in anaesthesia) prevent reflex bronchoconstriction
−AChE-inhibitor poisoning
Ipratropium et al
:
– Chronic obstructive pulmonary disease (COPD)
CNS stimulants
28
Amphetamine
Cocaine
cocaine
28
blocks neuronal uptake of NA into presynaptic terminals
increase levels of NA
Amphetamine
28
Enters neurons and displaces NA, 5-HT, DA from storage vesicle
^ levels in the CNS
Ecstasy
28
Increased levels of 5-HT and DA
Less effective than amphetamine and LSD
LSD
28
potent partial agonist at 5-HT2A receptors
hallucinations
Cannabis
28
Inhibition/reduction of neurotransmission
THC active component
Ethanol
28
Enhances GABA-major inhibitory NT in brain
Inhibits glutamate-major excitatory NT in brain
loss of motor control
Cimetidine
L18-19
Gastric ulcers
H2 receptor
antagonist that inhibits stomach acid production
Zanamivir
L18-19
antiviral - anti influenza
targets neuraminidase
neuraminidase inhibitor- blocks the function of viral neuraminidases of the influenza virus- preventing viral reproduction by budding from the host cell.
Imatinib
L18-19
antitumor drug
targes tyrosine kinase
Ritalin/methylphenidate
‘smart drugs’ L21
Increased synaptic levels of NA and DA by blocking reuptake into nerve terminals
Increase memory
used to treat ADHD
Atomoxetine/strattera L21
relatively selective NA uptake inhibitor SNRI
used to treat ADHD
Modafinil/provigil
L21
activates glutamatergic (excitatory) circuits while inhibiting GABAergic (inhibitory) neurotransmission
- works like a mild amphetamine
- used as a performance enhancing drug
Orlisat
Inhibits gastric and pancreatic enzymes
Orlisat inhibits lipase
prevents systemic absorption of fat
Phentermine
Duramine
Increases NA available to bind to receptors- acts like amphetamine
Gets into NA vesicles and displaces NA
Suppresses appetite
Liraglutide
L25 GLP
BPGG Brain- GLP in the brain Pancreas-increases insulin Glucagon- inhibits synthess of glucose, prevents glycogen-> glucose gastric emptying-slows down
Salbutamol
Terbutaline
L16
SABA
Short acting beta 2 adrenoceptor agoinst
Bronchodilation, relievers
Salmeterol
Formoterol
LABA
Long acting beta 2 adrenoceptor agonists
Controllers
used in combination with inhaled GCs, glucocorticoids
Zarfirlukast
Monotelukast
Cysteinyl Leukotriene receptor antagonists
Bronchodilators
orally active
used in combination with GCS/beta 2 agonist
Neodocromil sodium
Disodium cromoglycate DSCG
Non steroidal anti-allergic drugs
Administered by inhalation
Decrease in mediator release
Modest anti-inflammatory activity
inhaled: Budesonide
Fluticasone Propionate
oral: Prenisolone
Glucocortcoids used to treat asthma