Body temperature may increase insignificantly. However, very often the general condition of the patient remains stable or only slightly broken.
During visual observation it is easy to notice swelling and redness of the mucous membrane of the throat. The swelling usually extends to the tongue. Sometimes there are areas of mucous covered with fur.
Sometimes the inflammation process affects the upper cervical lymph nodes that become painful and swollen. Sore throat provokes a constant cough in an overwhelming majority of cases.