GENERIC NAME: metoprolol. DRUG CLASS AND MECHANISM: Metoprolol is a beta-adrenergic blocking agent that is used for treating high blood pressure, heart pain, abnormal rhythms of the heart, and some neurologic conditions.
Kidney failure facts. 1  Kidneys are the organs that filter waste products from the blood. 2  Symptoms of kidney failure are due to the build-up of waste products and excess fluid in the body that may cause weakness, shortness of breath, lethargy, swelling, and confusion. Inability to remove potassium from the bloodstream may lead to abnormal heart rhythms and sudden death.
Kidney cancer rarely causes signs or symptoms in its early stages. In the later stages, kidney cancer signs and symptoms may include: 1  Blood in your urine, which may appear pink, red or cola colored. 2  Back pain just below the ribs that doesn't go away. 3  Weight loss. 4  Fatigue.