RISEK INSTA powder for oral suspension is indicated for: For the treatment of heart burn and other symptoms associated with GERD; for the treatment of erosive esophagitis which has been diagnosed by endoscopy; short term treatment of active duodenal ulcer; short term treatment of active benign gastric ulcer; for maintenance treatment of healing of erosive esophagitis; for reduction treatment of risk of upper gastrointestinal bleeding in critically ill patients.