Compare pantoprazole vs. Prevacid

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

Protonix
(pantoprazole)

Prevacid
(lansoprazole)

Treats heartburn and excess release of stomach acid. Protonix (pantoprazole) is usually only taken once a day for long-lasting heartburn relief, but it can increase your risk of bone fractures if you've used it for a long time.Treats heartburn and stomach ulcers. Prevacid (lansoprazole) is an effective and inexpensive acid reducer commonly used to provide heartburn relief and help heal ulcers.
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.14pantoprazole
Reviews for pantoprazole
68%
of people (All ages) say pantoprazole is worth it
51%
say it works well
13%
say it's a big hassle
584 reviews
Have you used Protonix (pantoprazole)?
Worth itNot sureNot worth it
Reviews for Prevacid
71%
-3% worse vs. pantoprazole
71%
-20% worse vs. pantoprazole
19%
+6% better vs. pantoprazole
Have you used Prevacid (lansoprazole)?
Worth itNot sureNot worth it
Side effects
pantoprazolePrevacid
  • Headache 3%
  • Diarrhea 4%
  • Vomiting 2%
  • Dizziness 2%
  • Joint pain 2%
More pantoprazole side effects »
  • Diarrhea 2%
  • Abdominal pain 1%
More Prevacid side effects »
How it works
pantoprazolePrevacid
Protonix (pantoprazole) is a proton pump inhibitor. It lowers the amount of acid in your stomach which treats heartburn.Prevacid (lansoprazole) is a proton pump inhibitor (PPI). It lowers the amount of acid in your stomach by blocking the final step of stomach acid production.
Type of medication
pantoprazolePrevacid
Prescription onlyPrescription or OTC
Available as
pantoprazolePrevacid
  • Pill
  • Packet
  • Extended release
  • Dissolving tablet extended release
  • Liquid
Used for
pantoprazolePrevacid
Risk factors for serious side effects
pantoprazolePrevacid
  • Using multiple daily doses and/or for 1 year or longer
  • People age 65 or older
  • High risk of bone fractures
  • People who are being treated in the hospital
  • People with lupus
Detailed Protonix (pantoprazole) risks & warnings »
  • High dose Prevacid (lansoprazole)
  • Long-term treatment with Prevacid (lansoprazole)
  • Low bone mineral density
  • Older age
Detailed Prevacid (lansoprazole) risks & warnings »
Pregnancy
Price
pantoprazolePrevacid
No price related info.
  • Prevacid (lansoprazole) is available over-the-counter and as inexpensive, generic options.
Interactions
pantoprazolePrevacid
No interactions related info.
  • Some prescription drugs can interact with Prevacid (lansoprazole), so talk to your doctor or pharmacist about the medicines you are taking.
Food
pantoprazolePrevacid
  • Unlike other proton pump inhibitors, it can be taken with or without food and have the same effectiveness.
No food related info.
Kidneys and liver
pantoprazolePrevacid
  • Protonix (pantoprazole) can very rarely damage your kidneys. This can happen at any time. Talk to your doctor right away if you are urinating less or have blood in the urine.
  • Prevacid (lansoprazole) can cause acute kidney damage that can occur at any time during treatment. Stop taking Prevacid (lansoprazole) and speak to your doctor immediately if you notice blood in the urine, changes in urine output, swelling of the body, weight gain, fever, or confusion.
Pain
pantoprazolePrevacid
  • Talk to your doctor if you get watery diarrhea, fever, or stomach pain that don't go away after taking Protonix (pantoprazole), which can happen even 2 months after stopping the medicine.
No pain related info.
Upsides and benefits
pantoprazolePrevacid
  • Most people can take Protonix (pantoprazole) without any noticeable day-to-day side effects.
  • Protonix (pantoprazole) 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 with a quick-acting antacid (like Maalox or Tums) if you need relief right away.
  • Unlike other proton pump inhibitors, it can be taken with or without food and have the same effectiveness.
  • Can be used in children age 5 or older.
  • Most people can take Prevacid (lansoprazole) without any noticeable day-to-day side effects.
  • Comes in a dissolving tablet to be placed on the tongue if you cannot or do not like to swallow pills.
  • Prevacid (lansoprazole) lasts longer than other types of antacids (like Zantac, Pepcid, or Tums), and you only need to take it once a day.
  • You can take it in combination with a quick-acting antacid (like Maalox or Tums) if you need relief right away.
  • Prevacid (lansoprazole) is available over-the-counter and as inexpensive, generic options.
Downsides and risks
pantoprazolePrevacid
  • Doesn't start working as fast as some other antacids like Tums, Rolaids, or Maalox.
  • Needs to be taken every single day for a certain period of time to be effective.
  • Like with other proton pump inhibitors, long-term use can cause weak or broken bones.
  • Only available as a prescription medicine, not over the counter.
  • Can lower the magnesium level in your body so you may need to take a supplement for it.
  • Doesn't start working right away like some other acid reducers (Tums, Rolaids, or Maalox).
  • May not be the best choice for patients 65 years of age and older due to risk of bone fractures and C. diff infection (bacterial).
  • Is used if you have frequent heartburns that occur more than 2 days per week. Speak to your doctor or pharmacist if you only have occasional heartburn.
Tips from our pharmacists for people taking the medication
pantoprazolePrevacid
  • Take the tablet form of Protonix (pantoprazole) with or without food.
  • The medicine should be swallowed whole and not to to be chewed or crushed.
  • Protonix (pantoprazole) takes some time to kick in, about 2.5 hours after taking it.
  • The oral suspension form needs to be prepared and then taken 30 minutes before a meal. The contents of the packet for the suspension shouldn't be crushed or chewed and be taken in apple juice or applesauce only as stated in the instructions.
  • Talk to your doctor if you get watery diarrhea, fever, or stomach pain that don't go away after taking Protonix (pantoprazole), which can happen even 2 months after stopping the medicine.
  • Using this medicine for a long period of time can increase your risk of getting weaker bones. Talk to your doctor if you are worried about this possible long-term side effect.
  • Take Prevacid (lansoprazole) with a full glass of water before eating.
  • Starts working in 1 to 3 hours. It can take 1 to 4 days to take full effect.
  • Some prescription drugs can interact with Prevacid (lansoprazole), so talk to your doctor or pharmacist about the medicines you are taking.
  • Do not take for more than 14 days, unless directed by your doctor. Speak to your doctor if your symptoms don't go away after 2 weeks.
  • Prevacid (lansoprazole) capsules can be opened and sprinkled on 1 tablespoon of applesauce, cottage cheese, or yogurt. Swallow immediately after. The dissolving tablets shouldn't be swallowed, broken, or chewed.
Learn more
More about pantoprazoleSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Protonix (pantoprazole)?
Worth itNot sureNot worth it
More about PrevacidSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Prevacid (lansoprazole)?
Worth itNot sureNot worth it