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Risperdal (Risperidone)
| Risperidone (Generic) Risperidone | ||||||
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Shipped from Canada | ||||||
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Who is the product for? YouOtherAdd Family Member/PetYou must be logged in to add additional members to the order. Don't have an account? or Add Family Member/PetSign inTo continue, please enter your email address and password that you use for your account. | ||||||
| Select product strength & quantity:
Who is the product for? YouOtherAdd Family Member/PetYou must be logged in to add additional members to the order. Don't have an account? or Add Family Member/PetSign inTo continue, please enter your email address and password that you use for your account. | ||||||
| Select product strength & quantity:
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General Medication Fact Sheet for Risperdal
| Field | Information |
|---|---|
| Medication Name | Risperdal |
| Generic Name | Risperidone |
| Boxed/Label Warning | Increased mortality in elderly patients with dementia-related psychosis. |
| Purpose | Antipsychotic medication used to treat schizophrenia, bipolar disorder, and irritability associated with autistic disorder. |
| Mechanism of Action | Antagonizes dopamine D2 and serotonin 5-HT2A receptors in the brain. |
| Dosage Forms | Oral tablets, oral solution, intramuscular injection |
| Available Strengths | 0.25 mg, 0.5 mg, 1 mg, 2 mg, 3 mg, 4 mg |
| Dosage Frequency | Typically once or twice daily, as directed by a healthcare provider. |
| Common Side Effects | Drowsiness, dizziness, increased appetite, weight gain, restlessness, tremor. |
| Serious Side Effects | Neuroleptic Malignant Syndrome (NMS), tardive dyskinesia, hyperglycemia, increased prolactin levels, orthostatic hypotension, seizures. |
| Drug Interactions | Antihypertensives, central nervous system depressants (e.g., alcohol, benzodiazepines), dopamine agonists (e.g., levodopa), CYP2D6 inhibitors (e.g., paroxetine, fluoxetine). |
| Important Notes | May cause drowsiness; use caution when driving or operating machinery. Monitor blood sugar levels regularly, especially in patients with diabetes. Inform your doctor of all medications you are taking. |
| Storage | Store at room temperature away from moisture and light. |
| Missed Dose | Take as soon as you remember; skip if it’s almost time for your next dose. Do not double the dose. |
| Alternatives | Seroquel (quetiapine), Zyprexa (olanzapine), Abilify (aripiprazole), Haldol (haloperidol). |
Risperdal Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Seroquel (quetiapine) | Antagonist at multiple neurotransmitter receptors including serotonin, dopamine, histamine, and adrenergic receptors. | Atypical antipsychotic, used for schizophrenia and bipolar disorder. |
| Zyprexa (olanzapine) | Antagonist at multiple neurotransmitter receptors including serotonin, dopamine, histamine, muscarinic, and adrenergic receptors. | Atypical antipsychotic, known for potential weight gain. |
| Abilify (aripiprazole) | Partial agonist at dopamine D2 and serotonin 5-HT1A receptors, and antagonist at serotonin 5-HT2A receptors. | Atypical antipsychotic, may have a lower risk of weight gain compared to other antipsychotics. |
| Haldol (haloperidol) | Dopamine D2 receptor antagonist. | Typical antipsychotic, higher risk of extrapyramidal side effects. |
Risperdal Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Drowsiness | Neuroleptic Malignant Syndrome (NMS) |
| Dizziness | Tardive dyskinesia |
| Increased appetite | Hyperglycemia |
| Weight gain | Increased prolactin levels |
| Restlessness | Orthostatic hypotension |
| Tremor | Seizures |
Risperdal Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Schizophrenia (Adults) | 2 mg per day | 4-8 mg per day | May be administered once or twice daily. |
| Schizophrenia (Adolescents) | 0.5 mg per day | 3 mg per day | May be administered once or twice daily. |
| Bipolar Disorder (Adults) | 2-3 mg per day | 1-6 mg per day | May be administered once daily. |
| Irritability associated with Autistic Disorder (Children) | 0.25 mg per day | 0.5-3 mg per day | Individualized based on weight and response. |
