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Lansoprazole capsules are the unbranded version of Zoton and are available in strengths of 15mg or 30mg. They are a prescription-only treatment for relief from acid reflux, heartburn, and stomach ulcers for adults over 18 years. The active ingredient, Lansoprazole, effectively reduces the quantity of stomach acid the body produces. Patients should use the daily dose to significantly reduce pain and discomfort caused by acid reflux, heartburn and indigestion.

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Acid reflux and gastro-esophageal reflux disease (GORD) are a group of conditions where excess stomach acid travels back up towards the throat. This results in a burning feeling in the chest. Lansoprazole falls in the category of proton pump inhibitors. It works by hindering proteins that produce acids in the stomach. Lansoprazole is good for relieving GORD, heartburn, stomach ulcers and an inflamed oesophagus.


Lansoprazole is unsuitable for you if you are allergic to any of the ingredients. Avoid taking Lansoprazole if you;

  • React to proton pump inhibitors.
  • Have any liver problems.
  • Have osteoporosis.


  • Take one capsule a day, swallowed with a full glass of water.
  • Lansoprazole should be taken at least 30 minutes before eating.
  • If you forget to take a tablet, take it as soon as possible. In the event that it is nearly time for your next dose, skip the missed tablet. Do not overdose.


The active ingredient contained in Lansoprazole is Lansoprazole 15mg or 30mg. Lansoprazole also contains the following inactive ingredients: Hypromellose (E-464), talc (E553b), titanium dioxide (E171), methacrylic acid ethyl acrylate copolymer (1:1) dispersion 30%, triethyl citrate (E-1505), sugar spheres (sucrose and maize starch), gelatin and black ink (shellac and black iron oxide (E172)).

Side Effects

Not everyone will experience side effects when they take Lansoprazole capsules. However, if you do, they can include:

  • Stomach pain
  • Constipation
  • Wind
  • Diarrhoea
  • Sore throat
  • Headache
  • Nausea
  • Skin irritation
Read the leaflet that comes with your medication for full details on warnings and interactions with other drugs. Consult your prescriber if you are concerned about any of the side effects.