Condition	Characteristics
Superficial thrombophlebitis	Erythema and induration of the involved vein
Cellulitis	Lesions are rarely streaky; affects deeper layers of the skin; skin infection affects superficial and subcutaneous layers
Erysipelas	Affects superficial skin layers; well-demarcated margin between inflamed and noninflamed skin
Allergic reaction to insect bite	Highest intensity of inflammation is at the point of the insect bite
Lymphangitis	Linear, streaky, erythematous lesions; often an initiating lesion (e.g., insect bite) or skin infection is present.