Compare Clozaril vs. Invega

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

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Clozaril (Clozapine)

Prescription only

Invega (paliperidone)

Prescription only
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.

Helps control your thoughts and mood.

Invega (paliperidone) relieves psychotic symptoms and improves mood.

3.1/ 5 average rating with 34 reviewsforInvega
Upsides
  • 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.
  • Won't make you as sleepy as other antipsychotic medicines.
  • If you have heart or kidney problems, this may be a better option than other antipsychotic medicines.
  • The pill and injection form allows for flexible dosing schedule.
Downsides
  • 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).
  • Side-effects of weight gain and hormonal imbalance may be intolerable for younger patients.
  • Frequent blood tests are sometimes required to check how the medicine is affecting your body.
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Used for
Dosage forms
  • Pill
  • Dissolving tablet
  • Liquid
  • Pill
  • Injection
Price
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Reviews
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34 reviews so far
29%
saidit'sworth it
32%
saiditworked well
35%
saidit'sa big hassle

Have you used Invega (paliperidone)?

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Side effects
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
16possible side effects
  • Difficulty controlling movements
    12%
  • Drowsiness
    8%
  • Indigestion
    6%
  • Inability to be still
    6%
  • Nausea
    5%
  • Constipation
    4%
  • Weight gain
    4%
  • Abdominal discomfort
    3%
  • Common cold
    3%
  • Back pain
    3%
  • Fast heartbeat
    2%
  • Stomach upset
    2%
  • Upper respiratory tract infection
    2%
  • Decreased appetite
    2%
  • Increased appetite
    2%
  • Changes in speech
    2%
See more detailed side effects
Risks and risk factors
  • 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
  • Increased risk of death
    • Elderly patients with dementia
  • Heart problems
    • History of heart problems
    • Drug interactions
  • Shaking and restlessness
  • Higher blood sugar and cholesterol and weight gain
    • Diabetes
    • High cholesterol
  • Difficulty concentrating
    • Alcohol
    • Taking other medicines that make you less alert
  • Low blood pressure
See more detailed risks and warnings