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These brands contain the same active ingredient (Risperidone). Strength and form may differ — confirm substitution with your doctor or pharmacist before switching.
Indications & Uses
Risponex is indicated for:
Dosage Reference
Reference Information Only
Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.
Adults:
Psychoses: 2 mg in 1 to 2 divided doses on the first day, then 4 mg in 1 to 2 divided doses on the second day (slower titration is appropriate in some patients). The usual dose range is 4 to 6 mg daily. Doses above 10 mg daily should be used only if the benefit is considered to outweigh the risk (maximum 16 mg daily). Elderly patients, or those with hepatic or renal impairment, should start with 1 mg daily in two divided doses, increased in steps of 1 to 2 mg twice daily. Not recommended for children under 15 years. Mania: Initially 2 mg once daily, increased if necessary in steps of 1 mg daily. The usual dose range is 1 to 6 mg daily. Elderly patients, or those with hepatic or renal impairment, should start with 1 mg daily in two divided doses, increased in steps of 1 to 2 mg twice daily. Schizophrenia: Risperidone should generally be started at 1 mg BID (twice daily), with increases in increments of 1 mg BID on the second and third day, as tolerated, to reach a target dose of 3 mg BID by the third day. Further dosage adjustments, if indicated, should generally be made at intervals of not less than 1 week. When dosage adjustments are necessary, small increments or decrements of 1 to 2 mg are recommended.
Side Effects
Reported side effects include insomnia, agitation, anxiety and headache. Less commonly, drowsiness, impaired concentration, fatigue, blurred vision, constipation, nausea and vomiting, dyspepsia, abdominal pain, hyperprolactinaemia, urinary incontinence, tachycardia, hypertension, oedema, rash, rhinitis, cerebrovascular accident, neutropenia and thrombocytopenia have been reported.
Cautions & Contraindications
Warnings & Precautions
Use with special care in people with existing heart or blood vessel disease, kidney or liver problems, epilepsy, or Parkinson's disease, in older adults, and during pregnancy. If signs or symptoms of tardive dyskinesia (involuntary, repetitive movements) appear, treatment should be stopped.
Contraindications
Risperidone should not be used by anyone who has a known allergy (hypersensitivity) to the product.