Famotidine belongs to a group of medicines called ‘H2-blockers’. H2 is a neurotransmitter present in the body. By blocking H2 Famotidine decreases the amount of acid produced in the stomach. It is used for the treatment of gastric ulcers, gastro-esophageal reflux disease (GERD) - a condition in which acid and food from stomach pushes back to the food pipe, Zollinger-Ellison syndrome. It can also be used for the treatment of heartburn due to occasional acid reflux from the stomach.

Do not take ergotamine if you:

1. Had allergic reaction to famotidine
2. Are pregnant or planning to become pregnant
3. Are breast-feeding

Things to Tell Your Doctor. If you:

1. Are taking any other medications such as probenecid,itraconazole, ketoconazole, atazanavir, antacids,sucralfate

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 famotidine are headache, dizziness, constipation, diarrhoea, dry mouth, changes in taste, feeling sick, vomiting, rash and loss of appetite.