Pharmacology Flashcards
(24 cards)
Mechanism of action for alcohol withdrawal?
Decreased inhibition of GABA and increased NMDA glutamate transmission
Acamprosate for alcohol withdrawal?
Neuroprotective increasing the effect of GABA-A
Naltrexone for alcohol withdrawal?
Blocks opioid pathway for alcohol so decreases the positive reward
Disulfiram for alcohol withdrawal?
Prevents acetaldehyde breakdown, however unwanted SE such as flushing, N, increased BP, increased temp and pulse
Tricyclic antidepressants MoA?
Block 5-HT and NA transporters
Tricyclic antidepressants SE?
Can’t see, wee, spit, shit
Overdose invokes seizures
Tricyclic antidepressants examples?
Imipramine, amitriptyline, clomipramine
SSRI SE?
GI symptoms (N/D)
Headache
Increased bleed risk
Agitation, anesthesia, anxiety
Citalopram specific SE?
Increased risk of QT prolongation
Paroxetine (SSRI) and pregnancy?
Increase risk of congenital malformation
SSRI examples?
Citalopram, fluoxetine, sertraline, citalopram, paroxetine
SSRI use and MoA?
1st line for depression
Inhibit Serotonin reuptake
SSRI CI?
NSAIDs, warfarin/heparin, triptans
Examples of antipsychotics?
Risperidone, haloperidol, olanzapine, quetiapine, clorazapine
Antipsychotics MoA?
Work by inhibiting DA neurotransmission (antagonist)
SE of antipsychotics?
Motor - acute dystonia, akathisia, tardive dyskinesia
DM, increased weight, dysglycaemia, dyslipidaemia
Neuroleptic malignant syndrome treatment?
DA agonist
Neuroleptic malignant syndrome (NMS) symptoms?
Tremor, muscle cramps, fever, delirium, autonomic instability
What is the SSRI of choice in children and adolescents?
Fluoxetine
What is the most effective atypical antipsychotic for schizophrenia - why should it be monitored?
Clozapine
Fatal agranulocytosis (decreased number of WBC in the blood)
What medication is used for severe cases of PTSD?
Risperidone
What are the management options for PTSD?
Trauma focused CBT
Venlafaxine or Sertraline (SSRI)
What is the mechanism of action of venlafaxine?
Serotonin-noradrenaline reuptake inhibitor
Most MI what is the drug of choice for a depressed patient?
Sertraline