Pharmacology Flashcards
What drugs can pass the blood brain barrier?
- lipohphillic
- hydrophobic
Usages of antidepressants?
- moderate to severe depression
- dysthmia
- generalised anxiety disorder
- panic disorder
- bulimia nervosa
Name the monoamines?
- dopamine
- seratonin
- noradrenaline
Rostal nuclei responsible for?
- mood
- sleep
- feeding
- behaviour
Caudal raphe responsible for?
- analgesia
CSF in depressed people?
- reduced monoamines
How do monoamine oxidase inhibitors work?
- irreversible or reversible inhibitors of MAO-A and B
- prevent breakdown of monoamines and thus increases concentration
Side effects of monoamine oxidase inhibitors?
- cheese crisis = hypertension
- insomina
- postural hypotension
- peripheral oedema
Classic SSRI side effect?
- nausea
- also: headache, increased anxiety, increased self harm
Which tricyclic is cardiotoxic?
- imipramine
What can lithium be used as?
- mood stabliser
- blocks phosphatidylinositol pathweay
What monitoring must be down for lithium treatment?
- 12hr post dose leve
- target 0.4-1
Side effects of lithium?
- dry mouth
- ploydipsia
- tremor
- hypothyroidism
- reduced renal function
Where is lithium metabolised?
- ISNT metabolised as it is an element
- renally excreted
Side effects of lithium?
- dry mouth
- polydipsia
- tremor
- hypothyroidism
Toxic side effects of lithium?
- coma
- convulsions
- nausea and diarrhoea
Example of a anti-convulsant that can be used as a mood stabiliser?
- valporic acid
- lamotrigiene
- carbamazepine
Side effects of valproate and carbamazepine
- drowsiness
- ataxia
- cardiovascular
- valproate = teratogenic
Examples of antipsychotic medications?
- quetiapine
- aripiprazole
- olanzapine
Side effects of antipsychotics
- weight gain
- sedation
Where do benzodiazepines work?
- GABA A receptor
- allosteric effect
- causes membrane hyperpolarisation (Cl- entry)
Side effects of long term benzodiazepines?
- sedation and psychomotor impairment
- withdrawal problems
- dependency and abuse
Drugs used for the treatment of anxiety?
- antidepressants
- benzodiazepines
- buspirone
- pregabalin
- b blockers
What region of the brain integrates sensory and cognitive information in fear?
- amygdala