Aten 50 tablet should be strictly avoided during pregnancy as it has serious side effects on the unborn baby as it crosses the placenta and reaches the cord blood. Aten 50 Tablet relaxes the blood vessels so that blood can flow more easily around your body and makes sure that your heart is getting a good supply of oxygen. This makes it less likely that you will suffer chest pain caused by angina. Aten AM Tablet is a combination medicine that contains two active ingredients, Amlodipine and Atenolol. Both of the medicines in this combination work to lower blood pressure but in different ways. Together they help to relax blood vessels, reduce heart rate and make it easier for your heart to pump blood around your body. This lowers blood pressure. If your blood pressure is controlled you are less at risk of having a heart attack, stroke or kidney problems. The medicine must be taken ... Aten 50 MG Tablet is a beta-blocker that lowers blood pressure and heart rate. It is used for hypertension, angina and myocardial infarction. Learn about its dosage, interactions, substitutes and FAQs.