Psychosis and Schizophrenia

Psychosis: Defined as an abnormal mental state where an individual has difficulty distinguishing reality from false perceptions. This can lead to significant distress and impairment in functioning in various areas of life, including work, relationships, and daily activities. The root words are:
- psyche = mind
- osis = abnormal state
Common Misconceptions:
- Psychosis is not synonymous with violent behavior; many individuals with psychosis are not dangerous.
- Schizophrenia is not characterized by split or multiple personalities (i.e., not Jekyll & Hyde) but is rather a complex mental disorder characterized by a mix of symptoms.

Altered Reality Testing: Difficulty distinguishing the ‘real’ from the ‘unreal’, which can lead to misinterpretations of actual events.
Hallucinations: Perception of sensory input without actual external stimuli. These can severely affect daily life.
- Types of Hallucinations include:
- Auditory: Hearing voices or sounds, the most common in psychiatric conditions, which may provide commentary or commands.
- Visual: Seeing things that are not present, which can induce fear or confusion.
- Tactile: Feeling sensations, such as bugs crawling, can evoke intense distress.
- Olfactory: Smelling odors that are not there, which can also lead to discomfort.
- Gustatory: Tasting things not present, often leading to eating-related challenges.
Delusions: Fixed false beliefs that are incongruous with cultural norms, often rooted in a false interpretation of experiences.
- Common Themes of Delusions include:
- Persecutory (belief of being monitored/persecuted, which can lead to paranoia).
- Referential (belief that media refers specifically to them, causing feelings of connection or isolation).
- Passivity/Control (belief that thoughts/actions are controlled by external forces, leading to feelings of helplessness).
- Grandiose (belief of having special powers/identity, which could inflate self-esteem but also lead to unrealistic expectations).

Duration: Symptoms must persist for more than 6 months (US) or 1 month (UK) to allow for accurate classification as schizophrenia.
Symptom Requirements: At least two symptoms (including one of the core symptoms) must be present, categorized under:
- Hallucinations, delusions, and negative symptoms such as emotional flatness, difficulty initiating tasks, or lacking motivation and social withdrawal.
Exclusion: Symptoms should not be attributed to mood disorders or organic causes (such as substance abuse or medical conditions).

Genetic:
- High heritability; there is a 50% chance of developing the disorder if a monozygotic twin is affected, indicating a significant genetic influence.
- Genetic variations contribute to the disorder, including Single Nucleotide Polymorphisms (SNPs) that may affect neurotransmitter systems.
Environmental:
- Factors include urban upbringing, which may expose individuals to stress and social isolation. Obstetric complications during birth, such as hypoxia, may also be a contributing factor.
- Cannabis use, especially potent forms, is linked to increasing the risk of onset in genetically predisposed individuals. Certain immigrant groups exhibit higher risk, possibly due to the stress associated with migration.

Primary Psychotic Disorders:
- Schizophrenia, Schizoaffective Disorder (a combination of mood disorder and schizophrenia), Delusional Disorder (persistent delusions without other psychotic symptoms).
Affective Disorders:
- Bipolar Disorder (may include psychotic features during manic or depressive episodes), Unipolar Depression (can also present with psychotic features).
Substance-Induced: Psychosis resulting from substance withdrawal or intoxication (e.g., alcohol, drugs).

Medication:
- Antipsychotics: Proven to reduce relapses significantly by managing symptoms and improving quality of life.
- First Generation: e.g., Haloperidol, Chlorpromazine (may have high side effects, particularly extrapyramidal symptoms like tremors).
- Second Generation: e.g., Olanzapine, Risperidone (fewer EPS but can lead to metabolic side effects like weight gain and diabetes risk).
Psychological Interventions:
- Cognitive Behavioral Therapy (CBT) addresses distorted thinking and coping strategies, family therapy can improve communication and support, and support groups offer community and understanding.
- Focus on coping mechanisms, improving social interaction, and providing a continuum of care.

Engagement with Crisis Resolution, Early Intervention, and Rehabilitation services is vital in supporting individuals with schizophrenia. Collaboration across disciplines (psychiatrists, psychologists, social workers) ensures comprehensive care.
Early intervention can significantly impact the prognosis positively, decreasing the duration and severity of symptoms and improving recovery.

Recovery is defined as a personal journey towards attaining fulfillment and purpose despite limitations brought by the illness. This perspective emphasizes hope, empowerment, and the potential for a meaningful life.
Focus on social integration and individual meanings related to life fulfillment through opportunities for employment, relationships, and personal development.

Individuals with schizophrenia have a reduced life expectancy (12-15 years shorter) primarily attributed to lifestyle factors (smoking, poor diet) and related health complications rather than suicide alone. Regular physical health checks and interventions are needed to address these disparities.

Societal stigma and misconceptions remain critical barriers to the understanding and treatment of psychosis. These can prevent individuals from seeking help and lead to isolation.
Mental health receives disproportionately low funding in comparison with its burden on societal health, highlighting the need for advocacy and policy changes for better support and integration into health care systems.