Kitten is getting very thickened skin at her injection sites. Even with rotating the sites. The areas are almost lumpy. The IM said it could be VAS or more likely a reaction to the insulin. This makes more sense because it happens when I move to new sites and quickly. This is not good because it limits my injection areas, and the thickened tissue does not seem to really reside. So..I am questioning a reaction to the BD syringe or syringe itself. Or my injection technique. This is very frustrating .