When a sore throat, the doctor often makes the diagnosis of strep throat, although the symptoms are different. Pharyngitis what is it? Sometimes the disease is accompanied by tickling in the throat, dryness of the mucous membrane. But more often simply a sore throat in swallowing and fever. Is that a picture of the disease is quite different: the patient cough and runny nose. However, in all these cases, the doctor will diagnose strep throat. Why such different symptoms belong to one disease? And on what grounds the doctor determines pharyngitis? Because many of the nasal disease have similar symptoms. For example, laryngitis or tonsillitis.