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.
Men who notice lumps, swelling, or pain in their groin or scrotum may worry they have testicular cancer. Here we describe the symptoms of testicular cancer and some other problems that could cause symptoms in this part of the body. We also include information on how to do a testicular self-exam for men who want to do so.