Risperidone

Risperidone API POWDER

We are offering high quality of Risperidone . We are known for manufacturing, exporting, distributing, trading and supplying Risperidone   in Gujarat, India. Further, this is safely packaged by our professionals in diverse packaging options that maintain its purity and effectiveness.

Shreeji Pharma International is leading Manufacturer, Exporter, Distributor, and Supplier Risperidone   in Gujarat. India. Shreeji Pharma International manufacturing & gmp; supplying all products under GMP site with all types of regulatory supports.

Shreeji Pharma International is the largest manufacturer, Exporter and supplier of Risperidone . Nowadays Shreeji Pharma International is one of the leading manufacturer and exporter, who is manufacturing Risperidone  as well as Intermediates of Risperidone .  

Shreeji Pharma International is exporter, supplier, distributor and manufacturers of the Active Pharmaceuticals Ingredients in many countries for many years.

Shreeji Pharma International currently export Risperidone  to countries like Gulf Countries, South East Asia countries, African Countries, CIS Countries, LATAM countries, Central American Countries and in European countries.

General Information:

Risperidone is an atypical antipsychotic medication used to treat schizophrenia, bipolar disorder, and irritability associated with autism spectrum disorder (ASD). It works by modulating the activity of dopamine (D) and serotonin (5-HTA) receptors in the brain, helping to control mood, thought processes, and behavior.

Chemical Properties:

Chemical Name: 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl) piperidino]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Molecular Formula: CHFNO

Molecular Weight: 410.49 g/mol  CAS Number: 106266-06-2

Appearance: White to off-white powder

Solubility: Slightly soluble in water, freely soluble in methanol and acetic acid

Melting Point: ~170177C Stability: Stable under normal conditions, but should be stored away from moisture and heat

Mechanism of Action:

Blocks dopamine D receptors, reducing symptoms of psychosis and hallucinations.

Blocks serotonin 5-HTA receptors, improving mood and cognitive symptoms.

Has mild antagonistic effects on histamine (H) and alpha-adrenergic (, ) receptors, which can cause sedation and dizziness.

Absorption: Well absorbed orally, peak plasma levels in 12 hours.

Bioavailability: ~70% (oral administration).

Metabolism: Primarily in the liver (via CYP2D6) into active metabolite 9-hydroxy-risperidone.

Half-life:Risperidone: ~36 hours

Active metabolite (9-hydroxy-risperidone): ~2024 hours

Excretion: 70% via urine, 14% via feces. Therapeutic Uses & Indications:

Schizophrenia (adults and adolescents).

Bipolar disorder (manic episodes). Irritability and aggression in autism spectrum disorder (ASD). Off-label uses:

Treatment-resistant obsessive-compulsive disorder (OCD).

Post-traumatic stress disorder (PTSD).

Severe Tourette syndrome.

Dosage & Administration:

Schizophrenia:

Adults: 2 mg/day, increasing up to 46 mg/day if needed.

Elderly: Start at 0.5 mg twice daily.

Bipolar Disorder:

Adults: 13 mg/day, up to 6 mg/day.

Autism Spectrum Disorder (ASD) (Children 516 years):

Starting dose: 0.250.5 mg/day, increased based on response.

Depot Injection (Long-Acting Form Risperdal Consta):

IM Injection every 2 weeks (2550 mg).

Side Effects:

Common:

Weight gain

Drowsiness (sedation)

Dizziness

Increased appetite

Serious:

Extrapyramidal symptoms (EPS) (tremors, rigidity, restlessness)

Hyperprolactinemia (breast enlargement, lactation)

Tardive dyskinesia (involuntary movements)

Neuroleptic Malignant Syndrome (NMS) (fever, muscle rigidity, confusion)

Precautions & Contraindications:

Avoid in:

Elderly patients with dementia (increased risk of stroke).

Patients with Parkinsons disease (can worsen symptoms).

History of severe cardiovascular disease.

Use with caution in:Diabetic patients (can increase blood sugar levels).

Patients with a history of seizures.

Drug Interactions: Increases effects of CNS depressants: Alcohol, benzodiazepines.

Metabolism affected by CYP2D6 inhibitors (e.g., fluoxetine, paroxetine).

Avoid combination with dopamine agonists (e.g., levodopa in Parkinsons).

Regulatory Status:FDA & EMA approved for schizophrenia and bipolar disorder.

Available as tablets, oral solution, and long-acting injection (Risperdal Consta).

Storage & Stability:Store at 1530C, in a dry place, protected from light.

Keep in original packaging to prevent moisture absorption.