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Prescription Required
Formulation : Oral solution
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Dosage: 1mg/mL
Quantity: 30mL
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Prescription Required
Formulation : Oral solution
Drug Name Dosage Quantity Price Buy Now
1mg/mL 30mL $65.80 Add To Cart
Dosage: 1mg/mL
Quantity: 30mL
Price: $65.80


Risperdal liquid is used to treat mental or mood disorders like schizophrenia, bipolar disorder, and irritability associated with autism.

Risperidone is an atypical antipsychotic medication that restores the balance of chemicals in your brain. This helps combat and control symptoms of mental or mood disorders like schizophrenia and bipolar disorder. When taken daily, Risperdal liquid helps you think clearly and reduce mental or mood disorder symptoms.

Dosage and Administration

The dose of Risperdal liquid that is prescribed will vary depending on the individual and disorder being treated. Follow all your healthcare provider’s instructions and read packaging labels carefully to ensure the best response from treatment. Do not take more or less than prescribed.

  • Take with or without food
  • Measure Risperdal liquid carefully with the provided dosing syringe or measuring device
  • Do not mix Risperdal liquid with soda or tea.
  • Your healthcare provider may instruct you to mix the medicine with a small amount of liquid such as water, coffee, orange juice, or low-fat milk
  • Drink the whole mixture right away
  • Take Risperdal liquid at the same time each day
  • Store at room temperature away from children and pets

Side Effects

Risperdal liquid may cause some side effects during treatment. Speak to your healthcare provider for more information regarding any symptoms that you might encounter.

Common Risperdal liquid side effects:

  • Drowsiness, dizziness
  • Lightheadedness
  • Drooling
  • Nausea
  • Weight gain
  • Tiredness

Serious Side Effects

More serious adverse effects may occur during treatment with Risperdal liquid. Contact your healthcare provider if you experience any of the following symptoms:

  • Difficulty swallowing
  • Muscle spasms
  • Shaking
  • Mental or mood changes like anxiety or restlessness
  • Interrupted breathing during sleep
  • Breast swelling or tenderness, nipple discharge, impotence, low sex drive, missed menstrual periods
  • Nervous system reaction (stiff muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling faint)
  • Low white blood cell count (sudden weakness or ill feeling, fever, chills, sore throat, mouth sores, red or swolle gums, skin sores, cold or flu symptoms, cough)
  • Low platelet levels in your blood (easy bruising, unusual bleeding, purple or red pinpoints under your skin)
  • High blood sugar (increased thirst, increased urination, dry mouth, fruity breath odour)
  • Penis erection that is painful or that lasts 4 or more hours.

Allergic Reactions

Do not take Risperdal liquid if you are allergic to risperidone. Contact your healthcare provider right away if you notice any of the following signs of an allergic reaction:

  • Hives
  • Trouble breathing
  • Swelling face, lips, tongue, or throat


  • Risperdal liquid is not approved for use in older adults who have dementia-related psychosis because it may increase the risk of death.
  • Avoid becoming too cold or overheated because Risperdal liquid may make you more sensitive to temperature extremes. Ensure you drink plenty of water to stay hydrated during treatment.
  • Do not drive or perform hazardous tasks until you know how Risperdal liquid will affect you because it may impair your thinking or reactions.
  • Before taking Risperdal liquid, tell your healthcare provider if you have ever had any of the following conditions:
    • Heart disease, high blood pressure, heart rhythm problems, stroke, heart attack
    • Diabetes
    • Low white blood cell counts
    • Liver or kidney disease
    • Seizures
    • Breast cancer
    • Low bone mineral density
    • Trouble swallowing
    • Parkinson’s disease
    • Dehydrated
  • If you become pregnant during treatment, contact your healthcare provider right away. Taking antipsychotic medications like Risperdal liquid during the last 3 months of pregnancy can cause problems for your newborn, but if you stop taking the medication you may have withdrawal and other issues.
  • Risperdal liquid may temporarily affect fertility in women.
  • If you breastfeed while taking Risperdal liquid, tell your healthcare provider right away if you notice any symptoms in your baby like drowsiness, tremors, or involuntary muscle movements.
  • Do not give Risperdal liquid to any child without first speaking to your healthcare provider.
  • Move slowly when standing from a seated or laying position to avoid becoming dizzy and falling.
  • Avoid drinking alcohol during treatment with Risperdal liquid because it can cause an increase in side effects.
  • Other drugs may interact with Risperdal liquid and cause adverse reactions. Tell your healthcare provider about all the medications you take, including over the counter medicines, but especially any of the following:
    • Blood pressure medication
    • Carbamazepine
    • Clozapine
    • Fluoxetine
    • Levodopa

Form and Strength

This antipsychotic medicine is available in oral solution form.

  • Risperdal liquid strength:
    • 1 mg/ml

The 1mg/ml strength Risperdal liquid is available in volumes of 30ml.


Can risperidone liquid be mixed with food?

You can mix Risperdal liquid into a small amount of liquid such as water, coffee, orange juice, or low-fat milk. Make sure that you drink the entire mixture right away to get your full dose. The medicine can be taken alongside food or not.

How long does risperidone liquid take to work?

Risperdal liquid starts altering chemicals in your brain to relieve symptoms related to your mental or mood disorder right away. However, it may take up to several weeks before you notice a significant improvement in your symptoms. Continue taking this medication as directed and speak to your healthcare provider if you have any questions or concerns.



Additional information

Other Names:

Risperdal Liquid, Risperidone Solution



Quantities Available:



Oral solution