Idiopathic aplastic anemia is a condition where your bone marrow stops making new blood cells. People with anemia dont have enough functioning red blood cells (RBCs).
Allergies occur when your immune system reacts to a foreign substance such as pollen, bee venom or pet dander. Your immune system produces substances known as antibodies.
Hemorrhoids (HEM-uh-roids), also called piles, are swollen and inflamed veins in your anus and lower rectum. Hemorrhoids may result from straining during bowel movements or from the increased pressure on these veins during pregnancy, among other causes.