Compare Zyprexa vs. perphenazine

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

Zyprexa (olanzapine)

Prescription only

Trilafon (perphenazine)

Prescription only
Helps control your thoughts and mood.

Zyprexa (olanzapine) is good for treating psychosis, mania, and agitation, but it's more likely to cause weight gain and sleepiness than other antipsychotics.

3.7/ 5 average rating with 68 reviewsforZyprexa
Treats schizophrenia.

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

Upsides
  • Effective at relieving psychotic symptoms, manic episodes, and agitation in people with schizophrenia and bipolar disorder.
  • Less likely to cause heart problems than other antipsychotics.
  • Less likely to cause movement problems compared to older antipsychotics.
  • Trilafon (perphenazine) can be much cheaper than other medicines.
  • Trilafon (perphenazine) is less likely to cause heart problems or changes in blood pressure.
Downsides
  • More likely to cause weight gain and increase cholesterol or blood sugar compared to other antipsychotics.
  • Might make you more sleepy than some antipsychotics.
  • Mild risk of Extrapyramidal Symptoms (EPS): Movement disorders that include stiffness, tremor, restlessness, and slow, repetitive movements you can't control.
  • You may need routine blood tests to check how the medicine is affecting your body..
  • You're more likely to gain weight.
  • You can be more sensitive to temperature changes.
  • You're more likely to catch colds and flu.
Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Injection
  • Pill
Price
No pricing information available
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Reviews
68 reviews so far
41%
saidit'sworth it
51%
saiditworked well
51%
saidit'sa big hassle

Have you used Zyprexa (olanzapine)?

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Side effects
9possible side effects
  • Drowsiness
    48%
  • Weight gain
    28%
  • Increased appetite
    28%
  • Headache
    17%
  • Fatigue
    14%
  • Dizziness
    7%
  • Dry Mouth
    7%
  • Abdominal pain
    6%
  • Pain in extremity
    5%
See more detailed side effects
The Trilafon (perphenazine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Increased risk of death
    • Elderly patients with dementia
  • Blood disorders
  • Neuroleptic malignant syndrome
  • Heart problems
    • History of heart problems
    • Drug interactions
  • Shaking and restlessness
  • Higher blood sugar, high cholesterol, and weight gain
    • People with diabetes
    • People with high cholesterol
See more detailed risks and warnings
  • 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