Carafate vs. Prevacid

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

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Coming soon.Treats heartburn and stomach ulcers. Prevacid (Lansoprazole) gives you long-lasting heartburn relief and helps heal ulcers.
How it works
Coming soon.Prevacid (Lansoprazole) is a proton pump inhibitor (PPI). It lowers the amount of acid in your stomach, treats heartburn, and heals ulcers.
Type of medication
Coming soon.
Acid reducer
Proton pump inhibitor
Prescription or OTC
Available as
  • Pill
  • Liquid
  • Extended release
  • Dissolving tablet extended release
Used for (click to learn more)
  • Duodenal ulcer disease
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
Side effects

We haven’t found good data for Carafate side effects.

FDA side effect reports for Carafate »
  • Diarrhea 2%
  • Abdominal pain 1%
More Prevacid side effects »
Risk factors for serious side effects
Coming soon.
    • Helicobacter pylori infection
    • Autoimmune disease
    • Being hospitalized
    • Antibiotic use
    • Osteoporosis
    • Age 50 or older
    • Using high medication doses
    • Long-term therapy (1 year or more)
    • Smoking
    • Use of other medications that weaken bones
      Detailed Prevacid (Lansoprazole) risks & warnings »
      Pregnancy category
      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
      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
      No specific alcohol-related info.No specific alcohol-related info.
      No specific food-related info.
      • Take Prevacid (Lansoprazole) about 1 hour before a meal.
      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.No specific weight-related info.
      Upsides and benefits
      Coming soon.
      • Most people can take Prevacid (Lansoprazole) without any noticeable day-to-day side effects.
      • Prevacid (Lansoprazole) lasts longer than other types of antacids (like Zantac, Pepcid, or Tums), and you only need to take it once or twice a day.
      • You can take it in combination with a quick-acting antacid (like Maalox or Tums) if you need relief right away.
      • Available as both a generic and over-the-counter option, so it's pretty affordable.
      • Sometimes if one PPI doesn't work, another medication in the same class will work for you.
      Downsides and risks
      Coming soon.
      • Doesn't start working as fast as some other antacids like Tums, Rolaids, or Maalox.
      • Depending on the condition you are treating, it can take one to two weeks to get the full effect.
      • If you are taking Prevacid (Lansoprazole) for a long time you should take a calcium supplement to prevent fragile bones.
      • Can interact with other drugs, so be sure your doctor knows all the medicine you're taking before starting Prevacid (Lansoprazole).
      Tips from our pharmacists for people taking the medication
      Coming soon.
      • Take Prevacid (Lansoprazole) about 1 hour before a meal.
      • Don't chew or crush capsules, but swallow them whole.
      • If you have trouble swallowing, there's a tablet available that dissolves in your mouth.
      • Give Prevacid (Lansoprazole) a chance to work. You'll see some benefits right away, but the full effects can take a week or so to kick in.
      • Avoid drug interactions by telling your doctor all of the other medications or herbal supplements you take before starting Prevacid (Lansoprazole).
      Learn more
      More about CarafateSide effectsReviews & ratingsFDA package insert
      More about PrevacidSide effectsReviews & ratingsAlternativesFDA package insert