Rantinol 150mg Tablet is a medication that reduces stomach acid, treating heartburn, indigestion, and other symptoms caused by excessive stomach acid. It is also used to prevent stomach ulcers, reflux disease, and rarer conditions. The dosage and duration depend on the condition being treated. It is prescribed by a doctor and should be taken regularly to prevent future problems. Common side effects include headache, constipation, drowsiness, and diarrhea. Before taking Rantinol, inform your doctor about any kidney or liver problems, and any other medications you are taking. It is generally safe to take during pregnancy and breastfeeding but avoid alcohol to reduce stomach acid levels.