Risek 20 mg is formulated with omeprazole, a PPI that suppresses gastric acid secretion by inhibiting the H+/K+ ATPase enzyme system in the stomach lining. It is indicated for the treatment of gastroesophageal reflux disease (GERD), peptic ulcers, Zollinger-Ellison syndrome, and for the eradication of Helicobacter pylori in combination with antibiotics. . Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.