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Molecule Description

Lansoprazole belongs to proton pump inhibitor class that is used to reduce the

amount of acid produced in the stomach.


Uses of Lansoprazole

  • Stomach and intestinal ulcers
  • Erosive esophagitis
  • Zollinger-Ellison syndrome (a condition in which one or more tumors form in your pancreas or the upper part of your small intestine (duodenum))
  • Heartburn
  • Gastroesophageal Reflux Disease (GERD) condition of acid regurgitation
  • Infections caused by the bacteria H Pylori while giving together with an antibiotic

Contraindications of Lansoprazole

When should one not use Lansoprazole

Do not take Lansoprazole, if you have any allergic reaction to it.

Side effects of Lansoprazole

Common side effects of this drug are:

  • Headache & dizziness
  • Skin rashes & itching
  • Tiredness
  • Diarrhea
  • Stomach pain
  • Nausea
  • Vomiting
  • Dry mouth or throat
  • Constipation
  • Depression
  • Joint and muscle pain
  • Fever
  • Confusion
  • Insomnia
  • Anaemia
  • Hallucinations
  • Hair loss

Precautions and Warnings of Lansoprazole



Can I take Lansoprazole during pregnancy?
This medicine can be used by pregnant women only when needed. Consult with your doctor.

Breast Feeding

Can I take Lansoprazole while breastfeeding?
Avoid the use of this medicine if you are breastfeeding as there is no information available on the use of Lansoprazole during breastfeeding. Consult with your doctor before breastfeeding.


Can I drive if I have consumed Lansoprazole?
Do not drive unless you feel well as it may cause dizziness.


Can I consume alcohol with Lansoprazole?
Too much intake of alcohol while taking this medicine has to be avoided

Other General Warnings

Talk to your doctor if
  • You experience diarrhea after taking this medicine
  • You have had any skin reaction
  • You are taking any other Corticostriods medication for osteoporosis
  • If you are taking Lansoprazole for more than three months, it may be possible that the level of magnesium in your blood may reduce

Mode of Action of Lansoprazole

How Does It Work?

Lansoprazole binds to H+/ K+ - exchanging ATPase (proton pump) present in the parietal cells of the stomach, resulting in preventing the secretion of acid and thereby reduces the amount of acid presen...
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Interactions of Lansoprazole

Interactions with other medicines

  • Ampicillin
  • Atazanavir
  • Clarithromycin
  • Digoxin
  • Iron-containing medicines
  • Ketoconazole
  • Methotrexate
  • Nelfinavir
  • Tacrolimus
  • Theophylline or Warfarin

Interactions with food items

Avoid foods that may interact with Lansoprazole, like peppermint, tomatoes, chocolate, spicy food, hot drink, coffee, and alcohol drinks as these mght worsen the symptoms.

Dietary Restrictions of Lansoprazole

No information is available on dietary restrictions while you are taking Lansoprazole, consult your doctor or pharmacist for further information.

Dosage of Lansoprazole


If you think you have taken too much of Lansoprazole, contact your doctor immediately or visit the nearest hospital.

Missed a Dose

If you missed any dose of this medicine, take it as soon as you remember. If it's time for your next dose, then skip the missed dose and continue with your regular dosing schedule. Do not take a doubl...
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Content Details


Dr. Arpit Verma

MBBS, MD (Pharmacology)


Dr. Ritu Budania

MBBS, MD (Pharmacology)

Frequently Asked Questions (FAQs)


Q: Why should we not take this medicine for a long time?

A: Daily long-term use (longer than three years) may lead to malabsorption or a deficiency of Cyanocobalamin (Vitamin B12).

Q: How to use this medicine?

A: For the best results, you should take Lansoprazole at least 15-30 minutes before a meal.
Last Updated on: 05 Oct 2020 | 10:47 PM (IST)

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