A healthy kitten's eyes are bright and clear and do not run, and the face shouldn't have tear stains. The kitten should not sneeze or wheeze, and her nose shouldn't run or be crusted as this could be a sign of respiratory problems or illness. The ears should be clean and free of dark colored wax, and the kitten shouldn't shake her head or scratch at her ears. That's an indication of infection or ear mites. The anus should be free of fecal matter or evidence of diarrhea. Gently pry open the kitten's mouth. A healthy kitten's gums and mouth are pink with no sign of inflammation and the teeth are clean and white.