Compare perphenazine vs. Risperdal

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

Trilafon (perphenazine)

Prescription only

Risperdal (risperidone)

Prescription only
Treats schizophrenia.

Trilafon (perphenazine) is a good medicine for schizophrenia, but it can make you gain weight.

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
  • Trilafon (perphenazine) can be much cheaper than other medicines.
  • Trilafon (perphenazine) is less likely to cause heart problems or changes in blood pressure.
  • 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
  • You're more likely to gain weight.
  • You can be more sensitive to temperature changes.
  • You're more likely to catch colds and flu.
  • 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.
Used for
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
  • Liquid
  • Injection
Price
No pricing information available
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Reviews
Not enough review data.Leave a review
45 reviews so far
42%
saidit'sworth it
47%
saiditworked well
49%
saidit'sa big hassle

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Side effects
The Trilafon (perphenazine) FDA package insert doesn’t have numbers about how common side effects are.
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
  • Higher risk of death
    • People age 65 or older with dementia and psychosis
  • Difficulty controlling movements
  • Higher risk for falls
  • Sleepiness
    • Drinking alcohol or taking narcotics
  • Higher risk of infection
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