Compare pantoprazole vs. Zantac

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

Protonix
(pantoprazole)

Zantac 75
(ranitidine)

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.Relieves heartburn. Zantac 75 (Ranitidine) works well for heartburn but may not last as long or start working as quickly as other antacids.
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Coupons for pantoprazole
Best available price for 30 (40mg) tablets of pantoprazole
Coupons for Zantac
Best available price for 60 (150mg) tablets of ranitidine
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
5.14pantoprazole
Reviews for Protonix (pantoprazole)
68%
of people (All ages) say Protonix (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 Zantac 75 (ranitidine)
72%
+4% better vs. Protonix (pantoprazole)
44%
-7% worse vs. Protonix (pantoprazole)
7%
+6% better vs. Protonix (pantoprazole)
1062 reviews
Have you used Zantac 75 (ranitidine)?
Worth itNot sureNot worth it
Side effects
pantoprazoleZantac
  • Headache 3%
  • Diarrhea 4%
  • Vomiting 2%
  • Dizziness 2%
  • Joint pain 2%
More pantoprazole side effects »

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

More about Zantac side effects »
How it works
pantoprazoleZantac
Protonix (pantoprazole) is a proton pump inhibitor. It lowers the amount of acid in your stomach which treats heartburn.Zantac 75 (Ranitidine) is an H2 blocker. It blocks the chemical histamine, which lowers acid production in your stomach. This treats heartburn and helps ulcers heal.
Type of medication
pantoprazoleZantac
Prescription only
Prescription or OTC
Available as
pantoprazoleZantac
  • Pill
  • Packet
  • Pill
  • Oral solution
  • Injection
Used for
pantoprazoleZantac
Risk factors for serious side effects
pantoprazoleZantac
  • 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 »
  • Current kidney problems
  • Current liver problems
  • Acute Porphyria
  • History of Phenylketonuria (PKU)
Detailed Zantac 75 (ranitidine) risks & warnings »
Pregnancy

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

Interactions
pantoprazoleZantac
No interactions related info.
  • Few drug interactions.
Food
pantoprazoleZantac
  • 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
pantoprazoleZantac
  • 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.
  • People with kidney disease may need to take a lower dose.
  • Zantac 75 (Ranitidine) is processed by the kidney and liver. If you have kidney or liver problems, you may need a different dose to prevent this increased risk for side effects.
Pain
pantoprazoleZantac
  • 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
pantoprazoleZantac
  • 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 Ranitidine without any noticeable day-to-day side effects.
  • Ranitidine lasts longer than many other antacids like Maalox and 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.
  • Few drug interactions.
Downsides and risks
pantoprazoleZantac
  • 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.
  • Other antacids like Maalox, Tums, or Rolaids often start to work more quickly than Ranitidine.
  • Medication like omeprazole (proton pump inhibitors) works better at healing and preventing stomach ulcers than medication like Ranitidine (H2 blockers).
Tips from our pharmacists for people taking the medication
pantoprazoleZantac
  • 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.
  • Works best if you take it with a full glass of water.
  • Starts working in one hour.
  • If heartburn doesn't improve or lasts more than 2 weeks, talk to your doctor.
  • People with kidney disease may need to take a lower dose.
Learn more
More about pantoprazoleSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Protonix (pantoprazole)?
Worth itNot sureNot worth it
More about ZantacSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Zantac 75 (ranitidine)?
Worth itNot sureNot worth it