Bisgram 120 mg Tablet is used to treat peptic ulcer, gastro-oesophageal reflux disease (GERD), and Helicobacter pylori infection. It contains Tripotassium dicitrato bismuthate which neutralises stomach acid, protects and heals ulcers. In some cases, this medicine may cause side effects such as headache, diarrhoea, black faeces, mild dizziness, and belching. Let the doctor know if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.