Seloken XL 50mg Tablet is an antihypertensive agent containing the active ingredient called Metoprolol. It belongs to a class of medications known as beta-blockers. It treats high blood pressure, angina pectoris, and irregular heart rhythm in adults. Additionally, it is used to prevent migraines and heart damage, death, or further heart attacks after a heart attack. Do not consume Seloken XL 50mg Tablet if you are allergic to Metoprolol, other beta-blockers, or any of its ingredients. Refrain from using it if you have heart conduction issues, sick sinus syndrome, untreated heart failure, or are experiencing shock due to heart problems. Individuals with severely blocked blood vessels, slow heart rate, low blood pressure, increased blood acidity, severe asthma, COPD, or those taking certain blood pressure medications should also avoid this drug. Additionally, do not use this medicine if you have untreated high blood pressure is caused by a tumor of the adrenal medulla (phaechromocytoma). Always consult your healthcare provider before use. Due to limited data, it is not recommended for use in children and adolescents. Before consuming this medicine, inform your doctor if you have asthma, diabetes mellitus, ongoing treatment for allergic reactions (as Seloken XL 50mg Tablet may amplify hypersensitivity), or overactive thyroid. Notify your doctor if you have any history of skin rashes like psoriasis, blood circulation issues (in the fingers, toes, arms, and legs), or heart conduction disorder (AV block). Report to your doctor if you have or have had Prinzmetal’s angina, or heart failure accompanied by certain factors like a recent heart attack or angina, reduced kidney or liver function, heart valve diseases, enlarged heart muscle, recent heart surgery, or unstable heart failure. Always consult your doctor or pharmacist before using this medication. Inform your doctor if your age is under 40 or over 80.