A: Metoprolol belongs to a class of medications called beta blockers, which are used to treat high blood pressure, angina, and congestive heart failure. The most common side effects are dizziness, lightheadedness, or slow heart rate.
Other symptoms of testicular cancer may include: 1  Testicular pain. 2  A sudden gathering of fluid in the scrotum. 3  An abdominal mass or abdominal pain.  Loss of weight or appetite; fatigue; lower- back pain; chest lumps, breathlessness and 1  cough. Infertility.
Most men who get testicular cancer don't have any risk factors. The most common symptoms of testicular cancer include: 1  A lump or swelling in the scrotum that may or may not be painful. 2  A heavy feeling in the scrotum.3  A dull pain or feeling of pressure in the lower belly or groin.ost men who get testicular cancer don't have any risk factors. The most common symptoms of testicular cancer include: 1  A lump or swelling in the scrotum that may or may not be painful. 2  A heavy feeling in the scrotum.