Femo Tablet is an antacid that helps decrease the amount of acid produced in the stomach. It is used to treat and prevent heartburn, gastric ulcers, acid reflux disease (GERD), and other conditions where controlling stomach acid is beneficial. Femo Tablet is also commonly prescribed to prevent stomach ulcers and heartburn caused due to the use of painkillers. It must be swallowed whole with water before or after a meal. The medicine must be taken in the dose and duration advised by the doctor. This medicine should relieve indigestion and heartburn within a few hours. If the symptoms persist or get worse even after 14 days of treatment, you should consult your doctor immediately. It is not recommended to take this medicine in severe stomach disease. You can help the medicine work better by eating smaller meals more often and avoiding spicy or oily foods. Most people who take Femo Tablet do not have any side effects but the most common ones include headache, dizziness, drowsiness, diarrhea, and constipation. If you do get a side effect, it is usually mild and will go away when you stop taking this medicine or as you adjust to it. Consult your doctor if any of these side effects bother you or do not go away. Before taking it, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. Also, tell your doctor if you are taking other medications. This medicine is usually considered safe to take during pregnancy and breastfeeding if a doctor has prescribed it. Avoid drinking alcohol as this can increase the amount of acid in your stomach, and make your symptoms worse.