Psychosis

Definition

Psychosis is a mental disorder characterized by a disconnection from reality, often manifesting as delusions and hallucinations. It can be caused by various factors including mental health conditions, substance abuse, and certain medications.

5 Must Know Facts For Your Next Test

1. Antipsychotic drugs are the primary treatment for managing psychosis.
2. There are two main categories of antipsychotics: typical (first-generation) and atypical (second-generation).
3. Common side effects of antipsychotic medications include weight gain, sedation, and extrapyramidal symptoms (EPS).
4. Clozapine is considered effective for treatment-resistant schizophrenia but requires monitoring due to the risk of agranulocytosis.
5. Dopamine D2 receptor antagonism is a common mechanism of action for many antipsychotic drugs.

Review Questions

• What are the main categories of antipsychotic drugs used to treat psychosis?
• List three common side effects of antipsychotic medications.
• Why does Clozapine require regular monitoring in patients?

Related terms

Schizophrenia:

A chronic mental disorder involving cognitive disturbances, emotional dysregulation, and impaired functioning.

Delusions: False beliefs held with strong conviction despite superior evidence to the contrary.

Hallucinations: Sensory experiences that appear real but are created by the mind.