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 #Pharyngitis #Differential #Diagnosis #Causes
