Increased sensitivity in patients with Parkinson's disease or those with dementia with Lewy bodies has been reported. Manifestations and features are consistent with NMS.
Use Risperdal Consta with caution in patients with conditions and medical conditions that could affect metabolism or hemodynamic responses. (e.g. Recent Myocardial infarction or unstable cardiac disease)
Extrapyramidal Symptoms (EPS): The overall incidence of EPS-related adverse events in patients treated with 25 mg and 50 mg of RISPERDAL(R) CONSTA(R) and placebo, respectively, were akathisia* (4%, 11%, 6%), Parkinsonism+ (8%, 15%, 9%) and tremor (0%, 3%, 0%).
* Akathisia and restlessness
+ Extrapyramidal disorder, musculoskeletal stiffness, muscle rigidity, and bradykinesia
Weight Gain: In a 12-week trial, the percentage of patients experiencing weight gain (>7% of baseline body weight) was 6% placebo versus 9% RISPERDAL(R) CONSTA(R).
Maintenance Treatment: Patients should be periodically reassessed to determine the need for continued treatment.
Commonly Observed Adverse Reactions for RISPERDAL(R) CONSTA(R): The most common adverse reactions in clinical trials in patients with schizophrenia (greater than or equal to 5%) were headache, Parkinsonism, dizziness, akathisia, fatigue, constipation, dyspepsia, sedation, weight increase, pain in extremities, and dry mouth.
The most common adverse reactions in clinical trials in patients with bipolar disorder trials were weight increase (5% in monotherapy trial) and tremor and parkinsonism (greater than or equal to 10% in adjunctive therapy trial).
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