556Limit injection sites to your abdomen and change the sites systematically. Formerly, the thighs, arms, and buttocks often were used. Because insulin injected into the abdomen is absorbed more consistently than that injected into other areas, current opinion advocates use of the abdomen exclusively. This is particularly true during periods of physical activity. If too many injections are given in a small area, however, scarring of the fatty tissue under the skin may occur and absorption of the injected insulin into the blood stream can become erratic.
