Signs of Respiratory Disorders

Discharge from the nose (mucus, pus, or blood, depending on the cause)

Coughing that may be dry or may include mucus or blood

Rapid breathing (not always a sign of disease, such as in healthy animals after exercise)

Labored or difficult breathing; shortness of breath

Shallow breathing

Signs of pain associated with breathing in or out

Noise (such as grunting) associated with breathing