Study Guide for Medication Treatment Schizophrenia Spectrum and Other Psychosis Disorders
Assignment: Study Guide for Medication Treatment Schizophrenia Spectrum and Other Psychosis Disorders
Psychosis and schizophrenia greatly impact the brain’s normal processes, which interfere with the ability to think clearly. When symptoms of these disorders are uncontrolled, patients may struggle to function in daily life. However, patients often thrive when properly diagnosed and treated under the close supervision of a psychiatric mental health practitioner. For this Assignment, you will develop a study guide for an assigned psychotropic agent for treating patients with Schizophrenia Spectrum and Other Psychotic Disorders. You will share your study guide with your colleagues. In sum, these study guides will be a powerful tool in preparing for your course and PMHNP certification exam.
To prepare for this Assignment:
Review this week’s Learning Resources, including the Medication Resources indicated for this week.
Reflect on the psychopharmacologic treatments you might recommend for treatment of patients with Schizophrenia Spectrum and Other Psychotic Disorders.
Research your assigned psychotropic medication agent using the Walden Library. Then, develop an organizational scheme for the important information about the medication.
Review Learning Resource: Utah State University. (n.d.). Creating study guides. https://www.usu.edu/academic-support/test/creating_study_guides
The Assignment
Create a study guide for your assigned psychotropic medication agents. Your study guide should be in the form of an outline with references, and you should incorporate visual elements such as concept maps, charts, diagrams, images, color coding, mnemonics, and/or flashcards. Be creative! It should not be in the format of an APA paper. Your guide should be informed by the FDA-approved and Evidenced-Based, Clinical Practice Guidelines Research but also supported by at least three other scholarly resources.
Areas of importance you should address, but are not limited to, are:
Title page
Description of the Psychopharmacological medication agent including brand and generic names and appropriate FDA indication uses
Any supporting, valid and reliable research for non-FDA uses
Drug classification
The medication mechanism of action
The medication pharmacokinetics
The medication pharmacodynamics
Mechanism of Action
Appropriate dosing, administration route, and any considerations for dosing alterations
Considerations of use and dosing in specific specialty populations to consider children, adolescents, elderly, pregnancy, suicidal behaviors, etc.
Definition of Half-life, why half-life is important, and the half-life for your assigned medication
Side effects/adverse reaction potentials
Contraindications for use including significant drug to drug interactions
Overdose Considerations
Diagnostics and labs monitoring
Comorbidities considerations
Legal and ethical considerations
Pertinent patient education considerations
Reference Page CORE SKILL: organizing antipsychotic pharmacology by MECHANISM so side effects become predictable rather than memorized.
THE MASTER TABLE — THE FOUR DOPAMINE PATHWAYS. Every antipsychotic effect and side effect follows from this: (1) MESOLIMBIC — D2 blockade here produces the ANTIPSYCHOTIC effect on positive symptoms; (2) MESOCORTICAL — already hypodopaminergic in schizophrenia; further blockade WORSENS negative and cognitive symptoms; (3) NIGROSTRIATAL — blockade produces EXTRAPYRAMIDAL SYMPTOMS; (4) TUBEROINFUNDIBULAR — dopamine normally INHIBITS prolactin, so blockade causes HYPERPROLACTINEMIA (galactorrhea, amenorrhea, gynecomastia, sexual dysfunction — risperidone and paliperidone are the worst offenders). Learn these four and you can derive the side-effect profile of any agent.
FIRST-GENERATION (typical) — pure D2 antagonists. High-potency (haloperidol, fluphenazine): more EPS, less sedation/anticholinergic. Low-potency (chlorpromazine): less EPS, more sedation, orthostasis, anticholinergic burden. EPS TIMELINE (know the sequence, it’s commonly tested): acute DYSTONIA (hours–days; treat with IM benztropine or diphenhydramine), AKATHISIA (days–weeks; inner restlessness — frequently MISDIAGNOSED as agitation or worsening psychosis, and increasing the antipsychotic makes it worse; treat with propranolol or benzodiazepine), PARKINSONISM (weeks), TARDIVE DYSKINESIA (months–years; often IRREVERSIBLE; treat with VMAT2 inhibitors — valbenazine, deutetrabenazine).
SECOND-GENERATION (atypical) — D2 + 5HT2A antagonism. The serotonin antagonism disinhibits dopamine in the nigrostriatal pathway, which is WHY they cause less EPS. Trade-off: METABOLIC SYNDROME. Highest metabolic risk: olanzapine and clozapine. Lowest: ziprasidone, lurasidone, aripiprazole. MONITORING IS GRADED — baseline and periodic weight/BMI, waist circumference, fasting glucose or A1c, lipids, blood pressure.
CLOZAPINE deserves its own block: the ONLY agent with proven efficacy in TREATMENT-RESISTANT schizophrenia (defined as failure of two adequate trials of other antipsychotics) and the only one with an anti-suicide indication. Its cost: AGRANULOCYTOSIS (mandatory ANC monitoring under REMS), MYOCARDITIS, SEIZURES (dose-related), severe constipation progressing to ileus (an underappreciated cause of death), sialorrhea, and the heaviest metabolic burden.
THIRD-GENERATION: aripiprazole, brexpiprazole, cariprazine — D2 PARTIAL AGONISTS (“dopamine system stabilizers”): they reduce dopamine tone where it is high (mesolimbic) and raise it where low (mesocortical). This is the partial-agonist concept made clinical.
EMERGENCIES: NEUROLEPTIC MALIGNANT SYNDROME — fever, “lead-pipe” RIGIDITY, autonomic instability, altered mental status, elevated CK. Contrast with SEROTONIN SYNDROME — HYPERreflexia, CLONUS, agitation, diarrhea. Rigidity vs. clonus is the discriminator, and it is the most commonly confused pair in the course.
ALSO: long-acting injectables and the adherence rationale; QTc prolongation (ziprasidone, haloperidol IV); anticholinergic burden in the elderly; and the BOXED WARNING — increased mortality in elderly patients with dementia-related psychosis (applies to ALL antipsychotics).
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