Tyson, has in the last 6 week had a very sore paw. He has been tested for all known Doggie disease and is free of any. It is believed he had a extreme reaction to a insect bite. Tyson has had more test done then most stud dogs. All test have came back clear. He is just a very healthy 7 year old dog with an wonderful personality. I am letting you all know to be mindful of insects in your home and garden as Boxers are renowned to suffer insect allergies of all types. Tys