Table 1.

Cough scoring criteria.

	Score	Clinical correlation
Presence or absence	1	None
	2	Yes
Time of day	1	Dog coughs during the night/early morning
	2	Dog coughs continuously during the day
Situation	1	Dog coughs only during excitement
	2	Dog coughs at rest during the daytime
Change in cough after treatment	1	Cough disappeared
	2	Cough decreased but remained
	3	Unchanged or increased