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.
1 Testicular cancer is often first detected by the patient discovering a lump or swelling in a testicle; other symptoms include testicular pain or discomfort; testicular enlargement; aches in the abdomen, back, or groin; or a fluid collection in the scrotum.0 Symptoms of Testicular Cancer. To summarize the signs and symptoms of cancer of the testicle, they include: 1  A lump in or on a testicle (testicular lump) is the most common sign; 2  Any enlargement of a testicle; 3  Shrinking of a testicle; 4  A feeling of heaviness in the scrotum (scrotal heaviness);