Causes of Pharyngitis - Differential Diagnosis

Infectious:

 • Bacterial: Group A Strep, Group B and C Strep, Arcanobacterium, haemolyticum, Fusobacterium necrophorum, Mycoplasma and Chlamydia, Corynebacterium diphtheriae, Francisella tularensis

 • Sexually Transmitted: Neisseria gonorrhoeae, HSV, Rarely Syphilis

 • Viral: EBV, CMV, HSV, Respiratory Viruses

Autoimmune: Lupus, Behcet syndrome, ANCA vasculitis, Inflammatory Bowel Disease, Autoinflammatory syndromes such as PFAPA, Kawasaki disease, Neutropenic stomatitis

Drugs: SJS/TEN, DIHS (formally DRESS), Drug-induced agranulocytosis, Drug-induced mucosal ulcers



Dr. Ann Marie Kumfer @AnnKumfer



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