Here is a detailed and brand-free overview of Risperidone Tablet 4 mg:
๐ Risperidone Tablet 4 mg
โ DESCRIPTION
Risperidone is an atypical antipsychotic used to treat schizophrenia, bipolar mania, autism-related irritability, and other behavioral disorders. It works by modulating dopamine (D2) and serotonin (5-HT2A) receptors in the brain, leading to reduced psychotic symptoms and mood stabilization.
๐งช FORMULATION
- Active Ingredient: Risperidone 4 mg
- Form: Oral tablet
- Route: Oral administration
- Available Strengths: 0.5 mg, 1 mg, 2 mg, 3 mg, 4 mg, 6 mg
๐ฟ NATURE
- Drug Class: Atypical antipsychotic
- Pharmacological Group: Benzisoxazole derivatives
- Mechanism of Action:
Blocks dopamine D2 receptors (reduces hallucinations, delusions) and serotonin 5-HT2A receptors (improves mood, cognition, and behavior)
๐ USES
- Schizophrenia in adults and adolescents
- Acute manic/mixed episodes of bipolar disorder
- Irritability and aggression in Autism Spectrum Disorder
- Behavioral problems in children/adolescents (under supervision)
- Off-label: Dementia-related aggression, PTSD, OCD (under strict monitoring)
๐ ADVANTAGES
- Broad symptom control (positive, negative, mood symptoms)
- Less risk of severe movement disorders vs older antipsychotics
- Useful across multiple psychiatric conditions
- Once or twice-daily dosing flexibility
- Appropriate for step-up therapy after lower doses
โ ๏ธ PRECAUTIONS
Common Side Effects:
- Weight gain, increased appetite
- Sleepiness, dizziness
- Anxiety, restlessness
- Constipation, dry mouth
Serious Side Effects:
- Tardive dyskinesia, EPS (more likely at higher doses)
- Elevated prolactin โ menstrual irregularities, sexual dysfunction
- Metabolic changes: high blood sugar, lipids
- NMS (Neuroleptic Malignant Syndrome) โ rare but life-threatening
- Increased stroke risk in elderly with dementia
Contraindications:
- Known allergy to risperidone
- Use in elderly with dementia-related psychosis (increased mortality)
Special Caution In:
- Cardiac disease, diabetes, epilepsy
- Patients with suicidal thoughts
- Children โ dose must be age/weight adjusted
- Pregnancy & lactation โ use only if clearly needed
๐ DOSAGE GUIDANCE (General Reference)
- Schizophrenia (Adults):
Start with 2 mg/day โ increase to 4โ6 mg/day (max: 8 mg/day) - Bipolar Mania:
Start with 2โ3 mg/day โ may increase to 4 mg/day - Elderly:
Start low (0.5โ1 mg/day), titrate slowly
Note: Always individualize based on response & side effects.
๐ง STORAGE
- Store at room temperature (15ยฐC to 30ยฐC)
- Protect from light and moisture
- Keep in original blister pack or bottle
- Do not freeze
- Keep away from children