Lansoprazole belongs to a group of medicines called proton pump inhibitors. It works by lowering the amount of acid in stomach. It is used to heal ulcers in stomach or gut, heal and prevent ulcers caused by pain killers, to treat gastro-oesophageal reflux disease - when acid from stomach escapes into food pipe causing damage and inflammation.

Do not take lansoprazole if you:

1. Are allergic to lansoprazole
2. Are taking a medicine containing atazanavir used to treat HIV

Things to Tell Your Doctor. If you:

1. Are pregnant or planning to be pregnant
2. Have liver problems

What to do if you missed a dose ?

Do not take a double dose to make up for forgotten doses. If you only remember during the night, or the next day, leave out the missed dose and carry on as usual.

Most common side effects ?

The most common side effects observed with lansoprazole are swelling of the hands, feet, ankles, face, lips or throat which may cause difficulty in swallowing or breathing, peeling or bleeding of the skin around the lips, eyes, mouth, nose and genitals, headache, tiredness, joint or muscle pain.