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Helps control your thoughts and mood.

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Prescription onlyLower-cost generic available

Our pharmacists’ bottom line

Risperdal (Risperidone) is good for treating psychosis, mania, and irritability. Among newer antipsychotic medicines, more likely to cause side effects, especially weight gain and hormone problems.

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  • Effective at relieving psychotic symptoms, manic episodes, irritability, and aggressive behavior.
  • Lowers relapse rates in people with schizophrenia and people with irritability associated with autism.
  • Antipsychotic medicines are all about equally effective.
  • Less likely to cause heart problems than some antipsychotics.
  • Mild to moderate risk of Extrapyramidal Symptoms (EPS): Movement disorders that include stiffness, tremor, restlessness, and slow, repetitive, or involuntary movements.
  • Moderate risk of weight gain and problems with cholesterol or blood sugar compared to other antipsychotics.
  • Compared to other antipsychotics, higher risk of hormone problems that cause nipples to leak and male breasts to grow abnormally large.
  • You might need routine blood tests to check how the medicine is affecting your body.
  • All antipsychotics come with side effects that make them difficult to take. You might need to try a few different medicines until you find one that works for you and that you can tolerate.

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Side effects for Risperdal (Risperidone)

From clinical trials of Risperdal / Autistic disorder (0.5-4 mg per day) ( 222)

  • Relaxation or sleepinessRelaxation or sleepiness63% for Risperdal vs.15% for placebo
  • Increased appetiteIncreased appetite44% for Risperdal vs.15% for placebo
  • FatigueFatigue31% for Risperdal vs.9% for placebo
  • VomitingVomiting20% for Risperdal vs.17% for placebo
  • Common coldCommon cold19% for Risperdal vs.9% for placebo
  • ConstipationConstipation17% for Risperdal vs.6% for placebo
  • CoughCough17% for Risperdal vs.12% for placebo
  • EnuresisEnuresis16% for Risperdal vs.10% for placebo
  • FeverFever16% for Risperdal vs.13% for placebo
  • DroolingDrooling12% for Risperdal vs.4% for placebo

What to expect when you start Risperdal (Risperidone)

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Tips from our pharmacists
  • Takes 4 to 6 weeks to see full effects on thoughts and mood.
  • Can cause dizziness and drowsiness.
  • For the first week, avoid activities that require you to be alert.
  • May cause weight gain and worsen cholesterol or blood sugar.
  • Report any unusual thoughts, inability to control muscle movements, or fever and excess sweating to your doctor.
  • Elderly people with dementia shouldn't take it.

Risks and Warnings for Risperdal (Risperidone)

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    • Higher risk if:
    • Elderly patients with dementia

    Older patients with dementia-related psychosis have a higher risk of death when treated with antipsychotic medications. Risperdal (Risperidone) is not approved to treat dementia-related psychosis.

    This is a black box warning. The FDA requires this warning when there is a significant risk of serious or life-threatening effects that anyone taking the drug should consider.

Means that some groups have a high risk of experiencing this side effect

Tips from pharmacists and people taking Risperdal (Risperidone)

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The FDA category for this medication is C. It is advised that you: Weigh risks vs. benefits
  • Risks from our pharmacists
  • Risperdal (Risperidone) can increase your blood sugar and cholesterol. Exercise and eat healthy food to lower your risk.
  • Risperdal (Risperidone) can cause you to gain weight. Exercise and eat healthy food to lower your risk.
  • I have scabs all over my body, my skin is dry and flaking off I have popped blood vessels and bruises all over my body from scratching so much. Getting off it tomorrow, HOWEVER did help me sleep without waking up with nightmares every night
    Age: 21
    Gender: man
Weight gain or loss
  • Upsides and downsides from our pharmacists
  • Moderate risk of weight gain and problems with cholesterol or blood sugar compared to other antipsychotics.
  • Tips from our pharmacists
  • May cause weight gain and worsen cholesterol or blood sugar.
  • Risks from our pharmacists
  • Risperdal (Risperidone) can cause you to gain weight. Exercise and eat healthy food to lower your risk.
  • it causes constant weight gain, it doesn't stop at a certain amount of weight, you're constantly gaining 2-3 pounds every month. but, in theory, it does work for bipolar disorder and definitely controls mood swings.
    Age: 18
    Gender: woman
    Taken for: Bipolar I disorder (manic)
  • This is a great medication to help auditory hullucinations but you gain a lot of weight get high prolactin levels and stops a woman's period
    Age: 25
    Gender: woman
    Taken for: Schizophrenia
  • Weight gain is awful. About 40 lbs in 6 months but it keeps my mania and irritability under wraps so I guess I have to pick an evil.
    Age: 29
    Gender: woman