Risperdal Solution (Oral)
Risperidone
1mg/ml
Janssen Pharmaceutica N.V.
| Pack size | 100ml Glass Bottle + Plastic Dosing Pipette |
|---|---|
| Dispensing mode | POM |
| Source | BELGIUM |
| Agent | CITY MEDICAL STORE |
| Retail Price | 273.00 AED |
Available as:
Indications
Risperdal Solution (Oral) is used for:
Acute and chronic psychoses, Mania, Schizophrenia, Bipolar disorder.
Adult Dose
Oral
Schizophrenia
2 mg/day initially; may be increased in increments of 1-2 mg/day at intervals >24 hours
Recommended target dosage: 2-8 mg/day once daily or divided q12hr (efficacy follows bell-shaped curve; 4-8 mg/day more effective than 12-16 mg/day)
Bipolar Mania
2-3 mg/day initially; may be increased if necessary in increments of 1 mg/day at intervals of 24 hours to 6 mg/day; dosage recommendations not available for treatment duration >3 weeks
Tourette Syndrome
0.5-1 mg/day PO; may be increased or decreased in increments of 0.5 mg q12hr at intervals >3 days; not to exceed 6 mg/day
Posttraumatic Stress Disorder
0.5-8 mg/day PO
Elderly: Initially, 0.5 mg bid gradually increased in increments of 0.5 mg bid. Maintenance: 1-2 mg bid.
Hepatic impairment: Initially, 0.5 mg bid, may increase in steps of 0.5 mg bid, up to 1-2 mg bid.
Dose increments above 1.5 mg bid should be made at intervals of at least 1 wk.
Child Dose
Oral
Schizophrenia
<13 years: Safety and efficacy not established
>13 years: 0.5 mg/day PO in morning or evening initially; may be increased in increments of 0.5-1 mg/day at intervals >24 hr to recommended dosage of 3 mg/day; dosage range: 1-6 mg/day (dosages >3 mg/day have not been proved more effective and are associated with increased incidence of adverse effects)
If persistent somnolence occurs, daily dose may be divided q12hr
Bipolar Mania
<10 years: Safety and efficacy not established
>10 years: 0.5 mg/day PO in morning or evening initially; may be increased in increments of 0.5-1 mg/day at intervals >24 hr to recommended dosage of 2.5 mg/day; dosage range: 0.5-6 mg/day (dosages >2.5 mg/day have not been proved more effective and are associated with increased incidence of adverse effects)
If persistent somnolence occurs, daily dose may be divided q12hr
Autism
Irritability associated with autistic disorder in children aged 5-16 years
<5 years: Safety and efficacy not established
5-16 years (<20 kg): 0.25 mg/day PO initially; may be increased after >4 days to recommended dosage of 0.5 mg/day
5-16 years (>20 kg): 0.5 mg/day PO initially; may be increased after >4 days to recommended dosage of 1 mg/day
Renal Dose
Renal impairment: Initially, 0.5 mg bid, may increase in steps of 0.5 mg bid, up to 1-2 mg bid.
Dose increments above 1.5 mg bid should be made at intervals of at least 1 wk.
Administration
May be taken with or without food.
Contra Indications
Risperidone is contraindicated in patients with a known hypersensitivity to the product.
Precautions
Preexisting CV diseases; discontinue use if signs and symptoms of tardive dyskinesia occur; renal and hepatic impairment, elderly, epilepsy; parkinsonism; pregnancy. May cause drowsiness and orthostatic hypotension. Gradual withdrawal is recommended. Monitor blood glucose in diabetics and patients at risk of developing diabetes.
Lactation: Drug distributed in breast milk; do not nurse
Pregnancy-Lactation
Pregnancy
There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to atypical antipsychotics, including risperidone, during pregnancy
Healthcare professionals are encouraged to register patients by contacting the National Pregnancy Registry for Atypical Antipsychotics at 1-866-961-2388 or online at http://womensmentalhealth.org/clinical-and-research programs/ pregnancyregistry/
Infertility
Based on the pharmacologic action of risperidone, treatment may result in an increase in serum prolactin levels, which may lead to reversible reduction in fertility in females of reproductive potential
Disease-associated maternal and/or embryo/fetal risk
There is a risk to the mother from untreated schizophrenia, including increased risk of relapse, hospitalization, and suicide
Schizophrenia is associated with increased adverse perinatal outcomes, including preterm birth It is not known if this is a direct result of the illness or other comorbid factors
Fetal/neonatal adverse reactions
Extrapyramidal and/or withdrawal symptoms, including agitation, hypertonia, hypotonia, tremor, somnolence, respiratory distress, and feeding disorder reported in neonates who were exposed to antipsychotic drugs, including risperidone, during the third trimester of pregnancy; symptoms varied
Monitor neonates for extrapyramidal and/or withdrawal symptoms and manage symptoms appropriately
Lactation
Limited data from published literature reports the presence of risperidone and its metabolite, 9- hydroxyrisperidone, in human breast milk at relative infant dose ranging between 2.3 and 4.7% of the maternal weight-adjusted dosage
Reports of sedation, failure to thrive, jitteriness, and extrapyramidal symptoms (tremors and abnormal muscle movements) in breastfed infants exposed to risperidone
Consider the developmental and health benefits of breastfeeding along with the mother’s clinical need for the drug, and any potential adverse effects on the breastfed infant from the drug or from the underlying maternal condition
Interactions
May antagonise the effects of levodopa and dopamine agonists. May increase serum levels of clozapine when used together. Increased serum levels of carbamazepine when used concurrently. Carbamazepine may also decrease the serum levels of risperidone. Increased risk of neuroleptic malignant syndrome when used with indinavir and ritonavir.
Potentially Fatal: Risperidone may enhance the hypotensive effect of certain antihypertensives.
Adverse Effects
Side effects of Risperidone :
>10%
Somnolence (40-45%), Insomnia (26-30%), Agitation (20-25%), Anxiety (10-15%), Headache (10-15%), Rhinitis (10-15%), Fatigue (18-31%), Parkinsonism (28-62%), Akathisia (5-11%), Increased appetite (4-44%), Vomiting (10-20%), Drooling (<12%), Urinary incontinence (5-22%), Tremor (11-24%), Nasopharyngitis (4-19%), Rhinorrhea (4-12%), Enuresis (1-16%)
1-10%
Constipation (5-10%), Dyspepsia (5-10%), Nausea (5-10%), Abdominal pain (1-5%), Aggressive reaction (1-5%), Facial edema (<4%), QT prolongation (<4%), Dizziness (1-5%), Extrapyramidal symptoms (EPS; 1-5%), Gynecomastia in children (1-5%), Rash (1-5%), Tachycardia (1-5%), Syncope (1-2%), Bradycardia (<4%), Palpitation (<4%), Chest pain (<4%), Agitation (<4%), Postural dizziness (<4%), Pruritus (<4%), Acne (1-2%), Hyperprolactinemia (<4%), Sexual dysfunction (<4%), Xerostomia (7-10%)
<1%
Agranulocytosis, Cholesterol increased, Delirium, Ketoacidosis, Orthostatic hypotension, Seizures
Frequency Not Defined
Diabetes mellitus, Hyperthermia, Hypoglycemia, Hypothermia, Myelosuppression, Neuroleptic malignant syndrome (NMS), Priapism, Prolonged QT interval, Tardive dyskinesia, Thrombotic thrombocytopenic purpura (TTP), Sleep apnea syndrome, Urinary retention
Potentially Fatal: Neuroleptic malignant syndrome may occur rarely; seizures. May cause increased mortality in elderly with dementia-related psychosis.
Mechanism of Action
Risperidone is an atypical antipsychotic. Its activity is mediated through a combination of dopamine (D2) and serotonin (5-HT2) receptor antagonism. It also exhibits affinity to adrenergic (alpha1 and alpha2) and histamine (H1) receptors. It is less likely to cause extrapyramidal effects than conventional antipsychotics.
Note
Risperdal 1mg/ml Solution (Oral) manufactured by Janssen Pharmaceutica N.V.. Its generic name is Risperidone. Risperdal is availble in United Arab Emirates.
Farmaco UAE drug index information on Risperdal Solution (Oral) is not intended for diagnosis, medical advice or treatment; neither intended to be a substitute for the exercise of professional judgment.
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