Pharyngitis differential diagnosis
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Overview
Sore throat most often is caused by direct infection of the pharynx (pharyngitis), primarily by viruses or bacteria. Group A beta-hemolytic streptococcus (GABHS) pharyngitis accounts for 15 to 30 percent of cases in children and 5 to 15 percent of cases in adults. Sore throat also may be caused by other conditions, such as gastroesophageal reflux, postnasal drip secondary to rhinitis, persistent cough, thyroiditis, allergies, a foreign body, and smoking.[1]
Viral Causes
Viral pharyngitis, the most common cause of sore throat, has a wide differential.[1]
References
- ↑ 1.0 1.1 Vincent MT, Celestin N, Hussain AN (2004) Pharyngitis. Am Fam Physician 69 (6):1465-70. PMID: 15053411