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Medication guide

Lansoprazole

Generic name
Lansoprazole
Common brand names
Prevacid 24HR
Medication class
Proton pump inhibitor

Overview

Its medication class is Proton pump inhibitor. Common uses include Reflux symptoms and non-ulcer dyspepsia. Product forms and labels can differ, so follow the specific package instructions and ask a pharmacist or qualified healthcare professional about individual questions.

How to Take it

Route
Oral antacid/anti-reflux product.
Time of day
Use after meals and at bedtime for reflux or heartburn; PPIs often before breakfast.
With food/water
Take with water; PPIs should be taken with water before first meal.
Preparation
Swallow tablets/capsules whole; do not exceed label antacid spacing with other meds.
Safe dose
Use lowest effective acid-relief dose.
Max dose
Adhere to OTC daily total for each ingredient class.
Frequency
1–4 times/day depending active and symptom control.
Other recommendations
If symptoms continue >2 weeks or recur, seek clinician evaluation.

Common uses

  • Reflux symptoms and non-ulcer dyspepsia

Common side effects

  • Nausea
  • headache
  • diarrhea
  • abdominal discomfort
  • flatulence
  • dizziness
  • and fatigue

Important warnings

  • Do not use to mask recurrent alarm symptoms like weight loss, progressive dysphagia, vomiting blood, or melena. Evaluate if treatment needed >2–4 weeks without response. Avoid prolonged OTC daily use without clinician follow-up in liver/kidney disease.

General interactions information

May alter absorption of drugs that require acidic stomach environment

Sources / references

These references offer further reading. A source link does not establish that a clinician has reviewed every statement in this guide.

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