Schizophrenia - biological therapy Flashcards
What is drug therapy
- use of typical and atypical antipsychotics to treat SZ
What are typical antipsychotics
- first generation drugs
- chloropromazine
How do typical antipsychotics works and what are the side effects
Dopamine Antagonists
- block dopamine receptors reducing domaine action
- normalises neurotransmission in key areas of the brain
Sedation effect
- used to calm individuals when patients are admitted to hospital
What are atypical antipsychotic’s
- second generation drugs
- clozapine
How does clozapine work
- binds to dopamine receptors
- acts of serotonin and glutamate receptors
- improves mood and reduces depression
- prescribed when a patient is at high risk of suicide
what are the strengths of biological therapy
Ben thornley (2003)
- reviewed studies comparing chlorpromazine to a control group
- chlorapromazine associated with better overall functioning
Meltzer (2012)
- clozapine is more effective than typical antipsychotics
- effective in 30-50% of cases where typicals failed
what are the limitations of biological therapy
Serious side effects
- typical can have long term effects known as tardive dyskinesia
- involuntary face movements
- antipsychotics are used in hospital situations to benefit the staff