Omiz 20 mg Capsules contain omeprazole, a proton pump inhibitor that decreases stomach acid production. They are used to treat conditions like heartburn, gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. Taking Omiz before meals enhances its effectiveness. Common side effects may include nausea, vomiting, headache, flatulence, diarrhea, and stomach pain. Consult a doctor if symptoms persist or worsen. . 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.