Delayed papular dermatitis after a jellyfish sting.

Dear Editor, Jellyfish stings are among the most common marine envenomations worldwide, particularly in coastal tourist regions. They typically cause immediate pain, erythema, and linear urticarial wheals. Although acute effects are well characterized, delayed cutaneous reactions remain under-recognized. These may occur days to weeks later and often mimic insect bites, eczema, or lichen planus. We report a case of delayed papular dermatitis 10 days after a jellyfish sting and briefly review the literature. [...].