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.
Swelling, Testicles shrinkage and Testicular pain. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms swelling, testicles shrinkage and testicular pain including Chlamydia (male), Cellulitis, and Testosterone deficiency.