Sunburn is an acute cutaneous inflammatory reaction that follows excessive exposure of the skin to UVR. UVR exposure can come from various sources, including sun, tanning beds, phototherapy lamps, and arc lamps. UVR causes erythema in moist skin more effectively than dry skin. UVR may be transmitted through clothing, especially when wet, so sunburn may occur under clothed skin.
Topical anesthetic sprays or creams may cause sensitization and consequent dermatitis and therefore should be avoided. NSAIDs have antiprostaglandin effects and may relieve pain and inflammation, especially when given early. However, NSAIDs do not shorten the duration of sunburn.
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Cite this: Richard H. Sinert. Fast Five Quiz: Summer Health Concerns - Medscape - Jun 06, 2019.