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.
Testicular cancer occurs in the testicles (testes), which are located inside the scrotum, a loose bag of skin underneath the penis.The testicles produce male sex hormones and sperm for reproduction. Compared with other types of cancer, testicular cancer is rare.But testicular cancer is the most common cancer in American males between the ages of 15 and 35. Testicular cancer is highly treatable, even when cancer has spread beyond the testicle.he testicles produce male sex hormones and sperm for reproduction. Compared with other types of cancer, testicular cancer is rare. But testicular cancer is the most common cancer in American males between the ages of 15 and 35.