Information About Generic Risperdal (Risperidone)

What is Generic Risperdal (Risperidone)

Working of Generic Risperdal (Risperidone)

Generic Risperdal (Risperidone) Dosage or Administration

Precautions for Taking Generic Risperdal (Risperidone)

Interaction of Generic Risperdal (Risperidone) with Other Drugs

Side effects of Generic Risperdal (Risperidone)

Risperidone is generic equivalent of Risperdal, it is used for Management of psychotic disorders.

What is Generic Risperdal (Risperidone)

Generic Risperdal belong to calss Antipsychotic. Generic Risperdal Has antipsychotic effect, apparently caused by dopamine and serotonin receptor blocking in CNS.

Generic Risperdal (Risperidone) Dosage or Administration

Adults: PO 1 mg bid on first day, 2 mg bid on second day, and 3 mg bid on third day. Dosage adjustment thereafter should occur at intervals of at least 1 wk in increments of 1 mg bid. Maximum effect generally occurs in a range of 4 to 8 mg/day (max, 16 mg/day).

Renal or Hepatic Impairment

Elderly: PO 0.5 mg bid initially; increase in 0.5 mg increments bid thereafter.

Precautions for Taking Generic Risperdal (Risperidone)

Pregnancy: Category C. Lactation: Undetermined; do not breastfeed. Children: Safety and efficacy not established. Elderly and debilitated patients: May have reduced ability to eliminate risperidone. At increased risk of tardive dyskinesia, especially elderly women. Cardiac effects: Appears to have proarrhythmic effects. Orthostatic hypotension may also occur. Change in drug therapy: When patient is switched from another antipsychotic to risperidone, it is recommended that the other antipsychotic be discontinued before starting risperidone therapy or to minimize period of overlap.

Interaction of Generic Risperdal (Risperidone) with Other Drugs

Alcohol, CNS depressants: May cause additive CNS depressant effects. Antihypertensives: Risperidone may enhance hypotensive effects of some antihypertensives. Carbamazepine: May decrease risperidone plasma levels. Clozapine, paroxetine: May increase risperidone plasma levels. Levodopa: The effects of levodopa may be antagonized.

Side effects of Generic Risperdal (Risperidone)

CARDIOVASCULAR: Orthostatic hypotension; tachycardia; palpitations; hypertension; cardiac arrhythmias; syncope; angina pectoris; lightheadedness; ECG changes. CNS: Tardive dyskinesia; extrapyramidal symptoms such as pseudoparkinsonism, akathisia, and dystonias; drowsiness; increased sleep duration; headache; insomnia; agitation; anxiety; aggressive reaction; dizziness; seizure. DERMATOLOGIC: Rash; dry skin; seborrhea; photosensitivity. EENT: Abnormal vision/accommodation; tinnitus; rhinitis; sinusitis; pharyngitis. GI: Constipation; nausea; dyspepsia; vomiting; abdominal pain; increased salivation; toothache; anorexia; reduced salivation. GU: Menorrhagia; orgasmic dysfunction; dry vagina; erectile dysfunction. HEMATOLOGIC: Epistaxis; purpura; anemia. HEPATIC: Hepatic failure; hepatitis. METABOLIC: Increased AST and ALT. RESPIRATORY: Coughing; upper respiratory tract infection; shortness of breath. OTHER: Arthralgia; back pain; chest pain; fever; polyuria or polydipsia; increased weight; elevated prolactin levels.
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