Compare Haldol vs. perphenazine

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

Haldol (haloperidol)

Prescription only

Trilafon (perphenazine)

Prescription only
Helps control your thoughts, calm agitation, and stabilize your mood.

Haldol (haloperidol) is less likely to cause weight gain and sedation, but more likely to cause movement disorders compared to other antipsychotics.

3.1/ 5 average rating with 50 reviewsforHaldol
Treats schizophrenia.

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

Upsides
  • Haldol (haloperidol) is available in a cheap, generic version.
  • A monthly extended-release injection allows for more convenient dosing than a daily pill.
  • Trilafon (perphenazine) can be much cheaper than other medicines.
  • Trilafon (perphenazine) is less likely to cause heart problems or changes in blood pressure.
Downsides
  • Haldol (haloperidol) is an older medicine and has a lot more problematic side effects compared to newer antipsychotics.
  • You might need routine blood tests and regular check-ups to make sure the medicine is working for you.
  • 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
  • Liquid
  • Injection
  • Pill
Price
No pricing information available
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Reviews
50 reviews so far
38%
saidit'sworth it
42%
saiditworked well
34%
saidit'sa big hassle

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Side effects
The Haldol (haloperidol) FDA package insert doesn’t have numbers about how common side effects are.
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
  • Driving impairment
    • Drinking alcohol
    • Taking other medicines that make you less alert
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