Hello dear Understand your concern I think it is side effects of iron tablet. It produce gi upset like constipation which lead to gas production and stomach upset. You should take iron tablet with food . Walk for ten minutes after taking tablet Drink more warm fluids Take diet rich in iron like spinach, green leafy vegetables, jaggery, sprout, Whole grains Take lemon juice after meal Avoid excessive tea and coffee after meal Take citrus fruits regularly Avoid high fiber diets Take diet rich in carbohydrate Avoid spicy and fatty foods Avoid cold beverages Take small frequent meals rather than large meal Walk for some time after meal Tablet diezene Probiotics orally Take phyzyme and Gas-X preparation Take more warm water in drinking Hope this may help you Best regards Dr. Sagar