Psychiatry/behavioral Flashcards
Delusional disorder
1 or more delusions lasting more than a month without other psychotic symptoms
Brief psychotic disorder
1 or more psychotic symptoms with onset and remission <1month
Schizophreniform disorder
Meets criteria for schizophrenia but duration <6month
Schizoaffective disorder
Schizophrenia with a mood disturbance
Schizophrenia
2 or more of the following:
Positive sx-hallucinations, delusions, disorganized speech/thinking, abnormal behavior
Negative sx-flat affect, social withdrawal, avolition
For 6 months or more with at least 1 month acute symptoms
Who gets schizophrenia?
MC in males with family hx, presents in early 20s
Presents in late 20s in women
1st line treatment for schizophrenia
2nd gen antipsychotics: risperidone, olanzapine, quetiapine
Typical 1st gen antipsychotics
BUTYROPHENONES: haloperidol and droperidol
PHENOTHIAZINES: fluphenazine, perphenazine, chlorpromazine, thioridazine
Side effects of antipsychotics
Extrapyramidal sx, neuroleptic malignant syndrome, QT prolongation, arrhythmias, sedation, anticholinergic sx, dermatitis, increased prolactin, weight gain
EPS and increased prolactin worse in 1st gen/typical antipsychotics
Chlorpromazine and thioridazine have less __________ symptoms but more ___________ symptoms
Extrapyramidal
Anticholinergic
Describe extrapyramidal symptoms
- dystonic reaction (intermittent spasms with sustained involuntary muscle contraction) occurs hours to days after initiating antipsychotics
- Tardive dyskinesia (akathisia) seen with long term use of antipsychotics
- Parkinsonism (rigidity, tremor, Bradykinesia)
Akathisia
Restlessness
Tx for dystonic reaction
IV diphenhydramine
Describe neuroleptic malignant syndrome (NMS)
D2 inhibition leads to mental status change, muscle rigidity, tremor, autonomic instability-tachycardia, tachypnea, hyperthermia
Tx for NMS
Stop offending agent
lower temp with cooling blankets
dopamine agonist: bromocriptine, amantadine, levodopa/carbidopa, dantrolene
When does NMS usually occur?
In young adults within 90d of antipsychotic initiation/dose increase
C/I-cautions for Haldol
Parkinson’s disease, anticoagulant use, severe cardiac disease
Describe anticholinergic symptoms
Dry mouth, blurred vision(dilated pupils), urinary retention, constipation, dry skin, flushing, tachycardia, fever, htn, and delirium
Atypical 2nd generation antipsychotics
Quetapine (Seroquel)
Olanzapine (zyprexa)
Clozapine
Loxapine
Unique side effects of clozapine
Agranulocytosis (CBC monitored weekly)
Myocarditis, QT prolongation
Seizures
Unique side effects of olanzapine
Weight gain and diabetes mellitus
Benzioxazoles
Risperidone (Risperdal)
Ziprasidond (Geodon)
Indications for benzisoxazoles
Schizophrenia, bipolar, psychosis
*Risperdal also used in Tourette’s
Indication for Abilify
Psychotic disorders
*sometimes called a 3rd generation antipsychotic