Compare chlorpromazine vs. Erythromycin

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

Thorazine
(chlorpromazine)

Ery-Tab
(erythromycin)

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.Prevents and treats infections. Ery-Tab (Erythromycin) works well to treat a variety of bacterial infections, but check for drug interactions before taking it.
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Prices and coupon for 60 (25mg) tablets of chlorpromazine
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Prices and coupon for 1 (30g of 2%) tube of gel of erythromycin
Reviews & ratings
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Have you used Thorazine (chlorpromazine)?
Worth itNot sureNot worth it

Not enough reviews for this drug. Help someone out, leave a review!

Have you used Ery-Tab (erythromycin)?
Worth itNot sureNot worth it
Side effects
chlorpromazineErythromycin

The chlorpromazine FDA package insert doesn’t have numbers about how common side effects are.

More about chlorpromazine side effects »

The Erythromycin FDA package insert doesn’t have numbers about how common side effects are.

More about Erythromycin side effects »
How it works
chlorpromazineErythromycin
Thorazine (chlorpromazine) is a derivative of phenothiazine, which regulates dopamine levels in your brain to improve your mood.Ery-Tab (Erythromycin) is a macrolide antibiotic that prevents and treats a variety of infections. It works by preventing bacteria from growing and multiplying.
Type of medication
chlorpromazineErythromycin
Prescription only
Prescription only
Available as
chlorpromazineErythromycin
  • Pill
  • Injection
  • Pill
  • Delayed release tablet
  • Extended release
Used for
chlorpromazineErythromycin
Risk factors for serious side effects
chlorpromazineErythromycin
  • People over 65 with dementia and psychosis
    • Taking antipsychotic medications
    • Asthma
    • COPD
    • Acute respiratory infections
    • Benign prostatic hypertrophy (BPH)
    • Urinary retention
    • Decreased movement in the intestines
    Detailed Thorazine (chlorpromazine) risks & warnings »
    • History of liver disease
      • Long antibiotic treatment period
      Detailed Ery-Tab (erythromycin) risks & warnings »
      Pregnancy

      The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      Interactions
      chlorpromazineErythromycin
      No interactions related info.
      • Interacts with a lot of drugs, so don't take it with colchicine, statin drugs, verapamil, amlodipine, or diltiazem.
      Alcohol
      chlorpromazineErythromycin
      • Don't combine with alcohol or narcotics because it can cause you to stop breathing.
      No alcohol related info.
      Food
      chlorpromazineErythromycin
      No food related info.
      • Take it with or without food.
      Kidneys and liver
      chlorpromazineErythromycin
      No kidneys and liver related info.
      • Can cause liver problems, so people with previous liver problems need to be closely monitored while on Ery-Tab (Erythromycin).
      • There have been reports of liver damage that can require hospitalization or can cause death. These have been rare. Talk to your doctor if you notice pain in your abdomen, loss of appetite, yellowing of your skin or eyes, or dark colored urine.
      Sleep
      chlorpromazineErythromycin
      • Can make you very sleepy so don't drive or do anything that requires concentration until you know how it affects you.
      No sleep related info.
      Weight
      chlorpromazineErythromycin
      No weight related info.
      • It's dosed based on your weight, so different people will have different doses.
      Upsides and benefits
      chlorpromazineErythromycin
      • 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.
      • It's used to treat a variety of infections caused by bacteria.
      • It comes as an oral suspension and as a tablet.
      • You can get a test done that'll show you if Ery-Tab (Erythromycin) will work for you.
      Downsides and risks
      chlorpromazineErythromycin
      • 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.
      • Interacts with a lot of drugs, so don't take it with colchicine, statin drugs, verapamil, amlodipine, or diltiazem.
      • Diarrhea and other stomach problems are common side effects.
      • Can cause liver problems, so people with previous liver problems need to be closely monitored while on Ery-Tab (Erythromycin).
      Tips from our pharmacists for people taking the medication
      chlorpromazineErythromycin
      • Can make you very sleepy so don't drive or do anything that requires concentration until you know how it affects you.
      • Can cause involuntary muscle movements just like other medicines for your mood.
      • Can dry you out and make you more sensitive to the sun.
      • Don't combine with alcohol or narcotics because it can cause you to stop breathing.
      • Cannot be stopped suddenly.
      • Take it with or without food.
      • It's dosed based on your weight, so different people will have different doses.
      • If you're using the suspension, refrigerate it and use it within 10 days.
      • It's common to feel better before you're supposed to stop taking Ery-Tab (Erythromycin), but make sure to take it for the entire time your doctor prescribed it. Skipping doses or stopping early can lower the drug's effectiveness and increase the chance that the drug won't work as well next time.
      Learn more
      More about chlorpromazineSide effectsAlternativesFDA package insert
      Have you used Thorazine (chlorpromazine)?
      Worth itNot sureNot worth it
      More about ErythromycinSide effectsReviews & ratingsAlternativesFDA package insert
      Have you used Ery-Tab (erythromycin)?
      Worth itNot sureNot worth it