Filaroides (Oslerus Osleri) is a nematode parasite causing tracheobronchitis that occurs world wide in feral canids such as wolves, coyotes, dingos and is rarely reported as a parasite of the domestic dog (Soulsby, 1982 and Craig, 1995). The present communication reports a case of Oslerus osleri in an Alsatian bitch and its successful management.