Compare Scopolamine vs. Erythromycin

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

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Helps you feel less queasy. Transderm-Scop (Scopolamine) works well to prevent nausea and vomiting and the patch is low-hassle, but it takes about 4 hours to kick in.Prevents and treats infections. Ery-Tab (Erythromycin) works well to treat a variety of bacterial infections, but check for drug interactions before taking it.
How it works
Transderm-Scop (Scopolamine) is an antiemetic (anti-nausea medicine). It works by blocking signals in the part of your brain that causes vomiting.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
Prescription only
Prescription only
Available as
  • Patch
  • Pill
  • Delayed release tablet
  • Extended release
Used for (click to learn more)
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Reviews & ratings
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Reviews for Transderm-Scop (Scopolamine)
of people say Transderm-Scop (Scopolamine) is worth it
say it works well
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Side effects
  • Any side effect 9%
  • Drowsiness 4%
  • Visual impairment 2%
  • Agitation 2%
  • Confusion 1%
  • Sore throat 1%
More Scopolamine side effects »

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

More about Erythromycin side effects »
Risk factors for serious side effects
  • Glaucoma
    • Doing an MRI
    • History of seizures
    • History of psychosis
    • Taking with alcohol
    • Taking other medicines that make you less alert
    Detailed Transderm-Scop (Scopolamine) risks & warnings »
    • History of liver disease
      • Long antibiotic treatment period
      Detailed Ery-Tab (Erythromycin) risks & warnings »
      Pregnancy category
      CFDA pregnancy category (Weigh risks vs. benefits)

      Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

      See the FDA package insert
      BFDA pregnancy category (Probably safe)

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

      See the FDA package insert
      • You have to avoid alcohol while on the medication.
      • Don't drink alcohol if you have to use the patch.
      No specific alcohol-related info.
      No specific food-related info.
      • Take it with or without food.
      Kidneys and liver
      No specific kidneys and liver-related info.No specific kidneys and liver-related info.
      No specific sex-related info.No specific sex-related info.
      No specific sleep-related info.No specific sleep-related info.
      No specific weight-related info.
      • It's dosed based on your weight, so different people will have different doses.
      Upsides and benefits
      • Even though there's no generic version available, it's inexpensive.
      • Placed on the skin so it can be used if you can't keep anything in your stomach.
      • Can be used for long-term control of nausea and vomiting since it's only placed on every 3 days.
      • 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
      • Can only be used to prevent nausea and vomiting, not to treat it if it's already happening.
      • Takes about 4 hours for it to start working.
      • You have to avoid alcohol while on the medication.
      • 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
      • Wash your hands after you place the patch.
      • Don't touch or rub your eyes after putting on the patch before washing your hands.
      • Can cause blurry vision and sleepiness.
      • Take the patch off if you have to do an MRI.
      • Don't drink alcohol if you have to use the patch.
      • Place it on a few hours before if you know you'll be in a place where you might get motion sickness.
      • 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 ScopolamineSide effectsReviews & ratingsAlternativesFDA package insert
      More about ErythromycinSide effectsAlternativesFDA package insert