IIoperidone - Antipsychotic Agents
Drug Name:
IIoperidone - Antipsychotic Agents
List Of Brands:
Indication Type Description:
Drug Interaction:
Avoid other that causes QT prolongation( eg quinidine, amiodarone, solatol, procainamide,
chlorpromazine, thioridazine, moxifloxacin, methadone )
May potentiate antihypertensives, Alcohol, CNS depressants, Fluoxetine. paroxetine,
Clarithromycin, ketoconazole
Indication:
Acute treatment of schizophrenia
Adverse Reaction:
Dizziness, dry mouth, fatigue, nasal congestion,
ortostatic hypotension, somnolence, tachycardia,
increased weight,
QT prolongation ( discontinue if QTc > 500msec persists)
Priapism, neuroleptic malignant syndrome, tardive dyskinesia,
hyperglycemia, dyslipedemia, dysphagia, hyperprolactinemia
Contra-Indications:
Hepatic impairment not recommended
Lactation - not recommended
Special Precaution-
Bradycardia, hypokalemia, hypomagnesiumia,
congenital QT prolongation, recent MI , uncompensated heart failure
arrhythmias, avoid ( risk of Torsades de pointes /sudden death)
Cardio- or cerebral disease,
Monitor electrolyte especially K Mg
Diabetes or risk factors( obtain base line fasting blood sugar )
Monitor weight changes
History of breast cancer or eizures
Othostatic hypotension
Pre-existing Low WBC count or leukopenia/ neutropenia
Monitor CBC during first few months of therapy
Discontinue if WBC decline
Exposure to extreme heat, dehydration
Suicidal tendencies
Elderly( not dementia -related psychosis )
Noenates -risk of extrapyramidal and/or withdrawal symptoms post delivery ( due to
exposure during third trimester of pregnancy )
Pregnancy
Dosages/ Overdosage Etc:
Indication-
Acute treatment of schizophrenia
Dosage-
1mg twice daily on Day 1
2mg twice daily on Day 2
4mg twice daily on Day 3
6mg twice daily on Day 4
8mg twice daily on Day 5
10mg twice daily on Day 6
12mg twice daily on Day 7
Target range - 6-12mg twice daily
Max- 24mg/day
Reduce dosage by half with concomittant CYP2D6/CYP3A4 Inhibitors
or poor metabolizers of CYP2D6
Retitrate if therapy is suspended > 3days
Reassess periodically
Patients below 18 years not recommended
Pregnancy and lactation:
Use contraindicated. Observe extreme caution if required to be used