Drugs Home > Lansoprazole

How Does It Work?

Lansoprazole is part of a class of drugs called proton pump inhibitors (PPIs), which decrease the amount of acid in your stomach by blocking the acid production sites.

Effects of Lansoprazole

Lansoprazole reduces the amount of acid in your stomach, which:
  • Helps heartburn and other GERD symptoms go away
  • Allows damage to the esophagus to heal
  • Allows the stomach or intestines time to heal.

When and How Do I Take It?

Some general considerations for when and how to take lansoprazole include the following:
  • The medication comes in a capsule or an orally disintegrating tablet that should be taken before eating.
  • Your dosage should not be split, chewed, or crushed.
  • If you have trouble swallowing the capsule, you may open a capsule onto a small amount of applesauce, orange juice, or tomato juice. Mix briefly and swallow immediately.
  • The orally disintegrating tablets (SoluTabs) can be dissolved on the tongue (not chewed) or may be dissolved in a small amount of water (ask your healthcare provider for more information about doing this). It is not recommended that the SoluTabs be broken or cut to make a smaller dosage. 
  • The medication should be taken at the same time each day to maintain an even level in your system.
  • For lansoprazole to work properly, you have to take it as prescribed. The medication will not work if you stop taking it.

Dosing Information

The dose of lansoprazole your healthcare provider recommends will vary, depending on a number of factors, including:
  • The medical condition being treated
  • Other medical conditions you may have
  • Other medications you may be taking.
As is always the case, do not adjust your dose unless your healthcare provider tells you to do so.
(Click Lansoprazole Dosing for more information.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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