Cutaneous larva migrans, a linear skin rash on a child's leg caused by the burrowing larvae of nematode hookworms (Ancylostoma sp. & Strongyloides sp.), normally parasitic in cats & dogs or by the maggots of certain flies. The movement of the larvae beneath the skin is traced by such distinct patterns of red wheals. Also known as creeping eruption, the presence of the larvae cause intense irritation. Hookworm infestations are treated with diethylcarbamazine or thiabendazole; maggots may be surgically removed. This patient had contracted the hookworms through swimming in a river whilst on holiday in Florida, USA.
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