Sutib 12.5 Capsule 28's is used to treat cancer of the stomach, bowel, oesophagus, kidney, and hormone-producing cells in the pancreas. It contains sunitinib which works by slowing down the growth of cancer cells. In some cases, this medicine may cause side effects such as dry mouth, stomach upset, nausea, vomiting, diarrhoea, constipation, and loss of appetite. Inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.