Anemia is a medical condition wherein the blood lacks iron that makes the circulation of oxygen more efficient. There are many causes of anemia such as excessive loss of blood (menorrhagia or accidents), underlying medical conditions, or other deficiencies. When you are diagnosed with anemia, you have a higher risk of acquiring diseases because of your bodyâ€™s weakness. Some symptoms of anemia are headaches, fainting, shortness of breath, generalized body weakness, and paleness. You should immediately consult your doctor if you experience these.