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.
Sometimes, testicular cancer cells spread into the lymph glands and other organs in the body (most commonly the lungs). If this happens, you may have other symptoms, such as a cough or shortness of breath. Even if testicular cancer spreads, it can usually be cured.