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.
They are responsible for producing sperm and the testosterone hormone. Testicular cancer often begins with changes in the germ cells, or the cells in the testicles that produce sperm. Testicular cancer is sometimes referred to as a germ cell tumor. There are two main types of testicular cancer: seminomas and nonseminomas. Seminomas are slow-growing testicular cancers.