A little redness. Some swelling. A dressing that feels uncomfortable. Perhaps there is discharge that you assume is part of normal healing. So you wait. You clean it at home. You change the dressing a little more often. You may even try something recommended by a relative or something you found online. https://medium.com/@woundhealseo/common-mistakes-patients-make-while-caring-for-surgical-wounds-51fce8599620?sharedUserId=woundhealseo