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 is cancer that develops in a man's testicle. Testicular cancer is relatively rare and makes up around 1% of all male cancers. Around 2,268 men are diagnosed with testicular cancer each year in the UK. Testicular cancer usually affects younger men between 15 and 44.