title: Reactive arthritis following a sting by a Portuguese man-of-war.
mesh_terms: D000818:Animals; D001168:Arthritis / Q000209:etiology*; D001733:Bites and Stings / Q000150:complications*; D003063:Cnidaria; D003064:Cnidarian Venoms / Q000506:poisoning; D006801:Humans; D037402:Hydrozoa; D008297:Male; D013550:Swimming
chemical_list: D003064:Cnidarian Venoms