Hello Sir, Before 3 month's I have undergone through C, - section. At that time I have given some injections on my back(buttack). That time I have not noticed the swelling. I left it as it is. Now when I checked, there is a very small swelling below the skin.please help me how to treat this?sometimes I also feel pain in that area. How this swelling will melt. Is there will be any problem with this?