If someone was diagnosed using the biological approach, this is the way they would be treated.
Approximately 25% of all drugs prescribed by the NHS are for mental health.
- Typical antipsychotic drugs, such as chlorpromazine are used to deal wit the positive effects of Schizophrenia. They work by blocking the action of the neurotransmitter. Dopamine in the brain by binding to it and not stimulating dopamine receptors.
- The atypical antipsychotic drugs such as chlozapine. These work by temporarily occupying dopamine receptors and then rapidly detach to allow normal dopamine transmission. May explain why these have less side effects (such as tardive dyskinesia) compared to conventional antipsychotics.
Depression is throught to be associated with insufficient amounts of neurotransmitters such as serotonin being produced in the nerve endings.
These drugs raise serotonin levels by either
- Reducing how much serotonin is reabsorbed back into the nerve endings of the brain.
- OR preventing enzymes from breaking down serotonin.
EVALUATION OF DRUG THERAPY:
- Effectiveness: because drugs have been tested in clinically controlled trials, there is suffecient…