Anesthesia is the condition of loss of pain with the consciousness. Anesthesia is used to prevent the pain in medical issues. There are even May side effects in using the anesthesia, they are the person may under go some allergies, and causes the serious problems when it is given an over dosage. The normal anesthesia is used to prevent the anxiety and general minor problems and for the patients with cardiac problems. Anesthesia produces simply a temporary loss of feeling or the sensation. Researchers say there is risk of the problems in the heart when you use this anesthesia and it must be used in a much prescribed conditions depending upon the patients.