Sore throat (76%)
Fever (65%)
Torticollis (37%)
Dysphagia (35%)
Stridor, respiratory distress, chest pain (mediastinitis)
Drooling, neck stiffness
Involvement of carotid neurovascular sheath
Mediastinitis, sepsis, aspiration from spontaneous abscess formation
Jugular venous thrombosis, Lemierre's syndrome
Retropharyngeal abscess
Streptococcal pharyngitis 
Peritonsillar cellulitis
Neisseria gonorrhoeae
Epiglottitis
Diphtheria 
Peritonsillar abscess
Bacterial Tracheitis