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.
Breast cancer symptoms. Symptoms of breast cancer vary from person to person. Some common breast cancer signs and symptoms include: 1  Skin changes, such as swelling, redness, or other visible differences in one or both breasts. 2  An increase in size or change in shape of the breast(s).3  Changes in the appearance of one or both nipples.reast cancer symptoms. Symptoms of breast cancer vary from person to person. Some common breast cancer signs and symptoms include: 1  Skin changes, such as swelling, redness, or other visible differences in one or both breasts. 2  An increase in size or change in shape of the breast(s).