salivation

Tonsilitis

Symptoms: Fever is uncommon. Usually, only excessive salivation is the first sign, latter followed by short, soft cough, inapettence and fever. A suppurative exudate surrounds the tonsils which may become reddened with small necrotic foci. 

Pharingitis

Symptoms: animal has a normal desire to eat and drink but has a difficulty in swallowing (expressed as inapettence). Some animals develop fever, excessive salivation and dry cough.