Compare chlorpromazine vs. Compro

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

Compro (Prochlorperazine)

Prescription only
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.

Helps you feel less queasy.

Compro (Prochlorperazine) can be used to treat severe nausea and vomiting and can be taken orally or rectally, but get ready for a nap.

3.0/ 5 average rating with 20 reviewsforCompro
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.
  • Available in generic, so it's cheap.
  • Can be taken by mouth, as a shot, or rectally.
  • Can take anywhere from 10 minutes (by shot) to 60 minutes (rectally) to start working.
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.
  • Can make you really drowsy. Drinking alcohol with it can make the drowsiness even worse.
  • Can't be used by people over 65 because they can be more affected by the side effects.
  • It can make you more likely to get heatstroke.
Used for
Dosage forms
  • Pill
  • Injection
  • Pill
  • Suppository
Price
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Reviews
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20 reviews so far
45%
saidit'sworth it
35%
saiditworked well
35%
saidit'sa big hassle

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Side effects
The Thorazine (chlorpromazine) FDA package insert doesn’t have numbers about how common side effects are.
The Compro (Prochlorperazine) 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
  • Increased risk of death
    • Over age 65
    • Dementia
    • Taking antipsychotics
  • Seizures
    • History of seizures
  • Involuntary muscle movements
    • Age over 65
  • Neuroleptic malignant syndrome
  • Heatstroke
  • Driving impairment
    • Taking with alcohol
    • Taking other medicines that make you less alert
See more detailed risks and warnings