Rapid deterioration is an important warning sign | A is incorrect because stable erythema may be cellulitis; B is incorrect because pain is usually severe; D is incorrect because fever may be high; E is incorrect because improvement excludes deterioration | Immediate surgical consultation when rapid deterioration in vital signs because it indicates advanced sepsis | Monitor vital signs hourly in suspected cases | Tachycardia and hypotension are warning signs | Sources: CUMMINGS OTOLARYNGOLOGY–HEAD AND NECK 7th Ed p1.pdf — pp. 48-50; Controversies in Otolaryngology.pdf — pp. 124-125