Compare chlorpromazine vs. trifluoperazine

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

Stabilizes your mood.

Thorazine (chlorpromazine) has more side effects than other medicines like it. It is most useful during psychotic episodes because it slows you down quickly.

Treats anxiety and schizophrenia.

Stelazine (trifluoperazine) can be used to treat schizophrenia, but you might have trouble controlling your movements.

Upsides
  • Acts fast to slow you down during a psychotic episode.
  • Can also be used for nausea or migraines.
  • Safe for use in children as young as 6 months.
  • Comes in a sugar-coated pill for easy administration.
  • Stelazine (trifluoperazine) is one of the recommended medicines for schizophrenia.
  • It’s approved in children age 6 and older.
  • Available in generic.
  • Compared to other similar medicines, you're less likely to feel dehydrated or have problems with your heart with Stelazine (trifluoperazine).
Downsides
  • Has more side effects than other medicines like it.
  • Can affect how your other medicines work.
  • Makes you more sensitive to the sun.
  • Can make you dizzy or lightheaded, especially when injected.
  • Cannot be stopped right away.
  • If you take Stelazine (trifluoperazine) for more than 12 weeks or are taking high doses of Stelazine (trifluoperazine), you’re at a higher risk for being unable to control your movements.
  • Stelazine (trifluoperazine) can cause agitation and trouble sleeping. These symptoms can sometimes disappear, or there are other treatments you can take to help.
Used for
Dosage forms
  • Pill
  • Injection
  • Pill
Price
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Reviews
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Side effects
The Thorazine (chlorpromazine) FDA package insert doesn’t have numbers about how common side effects are.
The Stelazine (trifluoperazine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Increased risk of death
    • People over 65 with dementia and psychosis
  • Difficulty controlling movements
  • Neuroleptic malignant syndrome
    • Taking antipsychotic medications
  • Breathing problems
    • Asthma
    • COPD
    • Acute respiratory infections
  • Heat stroke and dehydration
    • Benign prostatic hypertrophy (BPH)
    • Urinary retention
    • Decreased movement in the intestines
See more detailed risks and warnings
  • Higher risk of death in people age 65 and older with dementia
    • People age 65 and older with dementia and psychosis
  • Difficulty controlling movements
    • Women age 65 and older
  • Neuroleptic malignant syndrome
    • Taking antipsychotic medications
  • Changes in blood cell counts
    • History of low white or red blood cell counts
  • Liver damage
  • Low blood pressure and higher risk of falls
See more detailed risks and warnings