Compare Fanapt vs. Risperdal

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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Fanapt (Iloperidone)

Prescription only

Risperdal (risperidone)

Prescription only
Controls schizophrenia.

Fanapt (Iloperidone) is helpful for treating schizophrenia, but it can be expensive because it's only available as brand name.

Helps control your thoughts and mood.

Risperdal (risperidone) is an effective medication in treating schizophrenia, mania, and irritability associated with autism; however, amongst other newer medications in its class, it's more likely to cause side effects, such weight gain and hormone problems.

3.4/ 5 average rating with 45 reviewsforRisperdal
Upsides
  • Part of the first choice medications to treat schizophrenia.
  • There are patient assistance programs that can lower the copay.
  • Comes in many different strengths to make it easier to customize your dose.
  • Less likely to cause sexual problems than other similar medicines.
  • Risperdal (risperidone) is effective at relieving psychotic symptoms, manic episodes, irritability, and aggressive behavior. It also lowers relapse rates in people with schizophrenia and people with irritability associated with autism.
  • Less likely to cause heart problems compared to other antipsychotics.
  • Compared to other antipsychotics, Risperdal (risperidone) causes less sedation and weight gain.
  • A generic version available for pill, dissolving tablet, and liquid formulations.
Downsides
  • Fanapt (Iloperidone) can be expensive because it is only available as brand name.
  • You will need to follow a strict schedule the first two weeks as body adjusts to Fanapt (Iloperidone). You might have to see your doctor several times until you find a dose that works best for you.
  • You're more likely to have changes in blood pressure with Fanapt (Iloperidone), which can make you feel faint or dizzy.
  • If you stop taking Fanapt (Iloperidone) for 3 days and want to restart it, you'll have to start taking it from the beginning dose.
  • You have to take Fanapt (Iloperidone) twice a day, which can be hard to remember.
  • Mild to moderate risk of Extrapyramidal Symptoms (EPS) - movement disorders that cause stiffness, tremor, restlessness, and slow, repetitive, or involuntary movements.
  • People taking Risperdal (risperidone) might have weight gain and problems with cholesterol or blood sugar.
  • Compared to other antipsychotics, this medication has a higher risk of hormone problems that can 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.
  • Risperdal (risperidone) takes 4 to 6 weeks for its full effects on thoughts and mood.
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Used for
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
  • Liquid
  • Injection
Price
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Reviews
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45 reviews so far
42%
saidit'sworth it
47%
saiditworked well
49%
saidit'sa big hassle

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Side effects
20possible side effects
  • Dizziness
    10%
  • Sleepiness
    9%
  • Dry mouth
    8%
  • Nausea
    7%
  • Diarrhea
    5%
  • Difficulty controlling movements
    5%
  • Agitation
    5%
  • Nasal congestion
    5%
  • Fatigue
    4%
  • Sore throat
    4%
  • Joint pain
    3%
  • Faster heart rate
    3%
  • Blurred vision
    3%
  • Tremor
    3%
  • Sluggishness
    3%
  • Rash
    3%
  • Sudden changes in blood pressure
    3%
  • Colds or flu
    2%
  • Ejaculation disorder
    2%
  • Difficulty breathing
    2%
See more detailed side effects
23possible side effects
  • Sedation
    63%
  • Increased appetite
    44%
  • Fatigue
    31%
  • Vomiting
    20%
  • Common cold
    19%
  • Constipation
    17%
  • Cough
    17%
  • Fever
    16%
  • Involuntary urination
    16%
  • Drooling
    12%
  • Headache
    12%
  • Hay fever
    12%
  • Dry mouth
    10%
  • Nasal congestion
    10%
  • Nausea
    8%
  • Upper respiratory tract infection
    8%
  • Weight gain
    8%
  • Tremor
    8%
  • Dizziness
    8%
  • Movement disorder
    8%
  • Rash
    8%
  • Increased saliva
    7%
  • Thirst
    7%
See more detailed side effects
Risks and risk factors
  • Increased risk of death
    • People over 65 with dementia and psychosis
  • Neuroleptic malignant syndrome
    • Taking antipsychotic medications
  • Higher blood sugar, cholesterol, and weight gain
    • People with diabetes
    • People with high cholesterol
  • Difficulty controlling movements
    • Long-term use of atypical antipsychotics
  • Blood disorders
  • Changes in blood pressure and heart beat
    • High blood pressure
    • History of heartbeat problems
See more detailed risks and warnings
  • Increased risk of death
    • Elderly patients with dementia
  • Neuroleptic malignant syndrome
  • Heart problems
    • History of heart problems
    • Drug interactions
  • Shaking and restlessness
    • High doses of Risperdal (risperidone)
  • Higher blood sugar and cholesterol and weight gain
    • People with diabetes
    • People with high cholesterol
  • Driving impairment
    • Alcohol
    • Taking other medicines that make you less alert
See more detailed risks and warnings