Excessive gas may occur with Vildot M 500 Tablet and is often associated with the metformin component. However, severity can vary from person to person, depending on factors such as individual sensitivity, diet, digestive health, dosage, and the duration of use. Gas, bloating, and stomach discomfort are common digestive side effects. Taking the tablet with or after food may help reduce these symptoms. If the gas is severe, persistent, or bothersome, consult your doctor for proper evaluation and advice. Do not stop the medication without consulting your doctor.