Schizophrenia: Causes, Signs And Symptoms, Risk Factors, Treatment Options, And Nursing Considerations.

 Schizophrenia: Causes, Signs And Symptoms, Risk Factors, Treatment Options, And Nursing Considerations.

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Schizophrenia is a severe and chronic mental illness that alters how a person thinks, feels, and behaves. It is characterized by a "break" with reality, or psychosis, which can be distressing for both the individual and their loved ones. With consistent, lifelong treatment, however, most symptoms can be managed effectively. 

Signs and Symptoms of Schizophrenia


Symptoms:

Symptoms of schizophrenia usually appear between the late teens and mid-30s and are categorized into positive, negative, and cognitive symptoms. 

Positive symptoms

These are psychotic behaviors not seen in healthy people. 

  • Hallucinations: Experiencing sensations that aren't real, such as hearing voices (most common), seeing things, or feeling phantom touches.


  • Delusions: Strong, fixed false beliefs, such as the idea that one is being harassed or is a person of great fame.



  • Disorganized or abnormal motor behavior: Movement that is not goal-directed, ranging from childlike silliness to catatonia (lack of movement or responsiveness). 


Negative symptoms

These refer to a decrease in normal behaviors and emotions. 

  • Reduced emotion: Lack of emotional expression, speaking in a flat tone, or poor eye contact.


  • Avolition: Decreased motivation to engage in purposeful, self-directed activities.


  • Social withdrawal: Avoiding social interaction and a reduced interest in everyday activities.


  • Poverty of speech (alogia): Speaking less than usual. 


Cognitive symptoms

These affect thinking and can interfere with day-to-day life. 

  • Difficulty with attention, concentration, and memory.



  • A lack of insight into one's own illness, making treatment more challenging. 


Causes and risk factors:

The exact cause of schizophrenia is not known, but research suggests a combination of factors may contribute to the condition. 

  • Genetics: Schizophrenia often runs in families. While no single gene is responsible, a combination of genetic factors can increase a person's vulnerability.



  • Brain development: Differences in brain structure and tissues during brain development before birth have been observed in people with schizophrenia.


  • Environmental factors: Stressful life events, exposure to viruses, complications during pregnancy and birth, and childhood trauma have been linked to a higher risk of developing schizophrenia.


  • Drug use: The use of certain psychoactive drugs, particularly strong cannabis, during teenage and young adult years is associated with an increased risk, though it is unclear if it directly causes the illness. 


Diagnosis

There is no single medical or psychological test for schizophrenia. A diagnosis is made by a mental health professional, such as a psychiatrist, who will conduct a mental health evaluation and rule out other potential causes. 

  • Diagnostic criteria: The evaluation checks for the presence of at least two of the primary symptoms (delusions, hallucinations, disorganized speech) for at least one month, with continuous signs of disturbance for at least six months.


  • Rule out other conditions: A physical exam and other tests, such as blood work or a brain scan (MRI or CT), may be used to exclude other issues that could cause similar symptoms, including other mental health disorders, substance use, or medical conditions. 


Treatment:

While there is no cure, a personalized treatment plan can help manage symptoms and improve quality of life. A multidisciplinary team often provides care, which can include a psychiatrist, therapist, social worker, and case manager. 

Medication:

  • Antipsychotics: These are the primary medications used to manage symptoms, particularly positive symptoms like hallucinations and delusions. They are thought to work by affecting neurotransmitters in the brain.



  • Other medications: Antidepressants or mood stabilizers may be used alongside antipsychotics. 


Psychosocial interventions

  • Psychotherapy: Individual therapy, such as cognitive-behavioral therapy (CBT), can help individuals cope with their symptoms.


  • Family therapy: This helps the family learn about schizophrenia and develop better coping strategies.




Other treatments:

  • Hospitalization: During a crisis or times of severe symptoms, a short hospital stay may be necessary to ensure the person's safety.


  • Electroconvulsive therapy (ECT): In adults with treatment-resistant schizophrenia, ECT may be considered. 


Schizophrenia Nursing Care and Management:

Nurses play a vital, multifaceted role in managing the complex needs of individuals with schizophrenia. Care considers a patient's symptoms, safety risks, and overall well-being, focusing on building trust and promoting the highest possible level of functioning. 

Key nursing considerations

Safety and stabilization

During acute episodes of psychosis, a patient's priority is safety. Nurses are responsible for creating a safe and low-stimulus environment to prevent self-harm or harm to others. 

  • Constant assessment: Nurses must continuously assess for suicidal or homicidal ideations, especially if the patient is experiencing command hallucinations.


  • Risk mitigation: Take precautions by removing potentially harmful objects from the patient's environment.


  • De-escalation: Use calm, straightforward communication to de-escalate agitation. Physical or chemical restraints are a last resort and must be used according to hospital protocol.


  • Reduce stimuli: Decrease environmental overstimulation, which can worsen hallucinations. 


Therapeutic relationship and communication:

  • Establishing rapport and trust is fundamental, as many patients with schizophrenia experience paranoia and mistrust. 


  • Consistent approach: Use a consistent, accepting approach and maintain consistency in assigned staff whenever possible to provide a sense of stability.


  • Honest communication: Communicate in a clear, sincere, and honest manner. Avoid vague or evasive remarks and do not make promises you cannot keep.


  • Empathy and validation: Acknowledge the patient's feelings and reassure them of your acceptance. You can validate their feelings without validating their delusions or hallucinations.


  • Reality orientation: Gently remind the patient of reality without arguing about their delusions or sensory experiences. For example, say, "I understand that the voices are real to you, but I do not hear them". 


Medication management:

  • Ensuring medication adherence is a core nursing responsibility, as it is crucial for preventing symptom relapse. 


  • Administer medication: Ensure patients take their prescribed antipsychotic medications. Nurses may observe the patient taking their medication to ensure adherence.


  • Monitor side effects: Systematically monitor patients for adverse effects, including metabolic issues (weight gain, diabetes) and movement disorders (e.g., tardive dyskinesia), using tools like the Abnormal Involuntary Movement Scale (AIMS).


  • Patient education: Provide comprehensive education to patients and families on the purpose, benefits, risks, and potential side effects of medications.


  • Promote follow-through: Work with the patient to identify and address obstacles to medication adherence, such as unpleasant side effects or difficulty affording medications. 


Psychosocial and functional support

Nurses provide essential support to help patients regain skills and function effectively within the community. 

  • Daily living assistance: Help patients with basic hygiene and daily living activities. Use concise and simple instructions, and praise their efforts.


  • Social skills training: Encourage participation in structured, non-threatening group activities to help improve social interactions. Start with one-on-one interactions and gradually expand to small groups.


  • Coping strategies: Teach coping mechanisms for managing symptoms. This can include distraction techniques like listening to music, exercise, or journaling.


  • Family involvement: Educate the family on schizophrenia and empower them to recognize signs of impending relapse. Involve them in the patient's care plan to foster a supportive home environment.


  • Healthy habits: Promote healthy lifestyle choices, including diet, exercise, and avoiding substance use, which is a common comorbidity. 


Evaluation and collaboration:

Effective nursing care includes continuous evaluation of the patient's progress and collaboration with other healthcare professionals. 

  • Evaluate outcomes: Regularly assess the patient's mental status, functional level, and adherence to the treatment plan. Adjust interventions as needed.


  • Interdisciplinary team: Collaborate with the patient's multidisciplinary care team, which may include psychiatrists, social workers, and therapists, to ensure a holistic approach to recovery. 

This is for informational purposes only. For medical advice or a diagnosis, consult a professional.



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