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.
1 Symptoms of decreased kidney function, such as fluid buildup or electrolyte imbalance, are more likely to develop with acute kidney injury, regardless of how long the kidney has been malfunctioning. 2  Symptoms may reflect the actual cause of the kidney problem. Symptoms may reflect the actual cause of the kidney problem. 2  An obstruction in the urinary tract may cause pain in the side or lower back (flank pain), blood in the urine, or reduced urine output. 3  Dehydration may cause extreme thirst; lightheadedness or faintness; a weak, rapid pulse; and other symptoms.