So, in this case, you need to note the following signs:-
Difficulty in walking or limping
Whining or barking while touching to injured spot
What to do with the injury?
One must be careful because this leads to trauma if left untreated.
If the injured dog attempts to bite, you should cover his mouth or muzzle it.
Try to provide a clean surface and immediate scooping to keep the environment healthy. Dog waste removal might cause you trouble, but it is necessary to dispose of as soon as possible to avoid other health hazards.