Compare trifluoperazine vs. Clozaril

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

Clozaril (Clozapine)

Prescription only
Treats anxiety and schizophrenia.

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

Helps control your thoughts and actions.

Clozaril (Clozapine) treats schizophrenia when other drugs haven't worked, but you'll have to get blood work done regularly and might gain weight.

Upsides
  • 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).
  • Clinical studies show that Clozaril (Clozapine) is effective in treating schizophrenia when other medications have failed.
  • Has the lowest risk of causing movement problems when compared to other antipsychotic medicines.
  • Clozaril (Clozapine) is available as a normal tablet and as a mint-flavored tablet that dissolves on the tongue without water.
  • Available as a generic, which is cheaper.
Downsides
  • 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.
  • You need to get blood work done every time you can get a prescription filled for Clozaril (Clozapine).
  • You can only get Clozaril (Clozapine) at certain pharmacies that are registered to provide it.
  • If you don't get Clozaril (Clozapine) within 7 days of it being ready at the pharmacy, then you have to get blood work done again and get a new prescription from your doctor.
  • You need to limit the amount of alcohol you drink while on Clozaril (Clozapine).
Used for
Dosage forms
  • Pill
  • Pill
  • Dissolving tablet
  • Liquid
Price
No pricing information available
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Reviews
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Side effects
The Stelazine (trifluoperazine) FDA package insert doesn’t have numbers about how common side effects are.
33possible side effects
  • Drowsiness/Sedation
    39%
  • Salivation
    31%
  • Tachycardia
    25%
  • Dizziness/Vertigo
    19%
  • Constipation
    14%
  • Hypotension
    9%
  • Headache
    7%
  • Tremor
    6%
  • Syncope
    6%
  • Sweating
    6%
  • Dry Mouth
    6%
  • Nausea
    5%
  • Visual Disturbances
    5%
  • Fever
    5%
  • Disturbed Sleep/Nightmares
    4%
  • Restlessness
    4%
  • Hypokinesia/Akinesia
    4%
  • Agitation
    4%
  • Hypertension
    4%
  • Abdominal Discomfort/Heartburn
    4%
  • Weight Gain
    4%
  • Seizures (convulsions)
    3%
  • Rigidity
    3%
  • Akathisia
    3%
  • Confusion
    3%
  • Nausea/Vomiting
    3%
  • Vomiting
    3%
  • Leukopenia/Decreased WBC/Neutropenia
    3%
  • Fatigue
    2%
  • Insomnia
    2%
  • Diarrhea
    2%
  • Urinary Abnormalities
    2%
  • Rash
    2%
See more detailed side effects
Risks and risk factors
  • 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
  • Fewer white blood cells
  • Low blood pressure | Slow heartbeat | Fainting
    • Dehydration
    • Taking blood pressure medications
  • Seizures
    • Seizure disorder
    • Alcohol abuse
  • Heart problems
    • History of heart problems
  • Increased risk of death
    • Over 65 and having dementia
  • Weight gain
  • Increased blood sugar
    • Diabetes
  • Increased cholesterol
  • Neuroleptic malignant syndrome (NMS)
  • Tardive dyskinesia
  • Return of schizophrenic symptoms
    • Stopping Clozaril (Clozapine) suddenly
See more detailed risks and warnings