Lect11 Swimmer's Itch - -especially along shorelines and in...

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Cercarial dermatitis (sir-care-e-ahl der-mah-ti-tis) Swimmers itch
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Causal agent/Reservoir/Vector Larvae (cercariae) of schistosomes Found in lakes, ponds and marshes around the world. Certain aquatic snails
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Life Cycle
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Symptoms Initial prickling or itching lasts up to one hour. Followed by itchy papules lasting one –two weeks. Looks similar to poison ivy, mosquito bites, or chicken pox.
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Father and son with swimmer’s itch Itchy red papules on the skin
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Risk Factors Air and water temperatures warm enough for snails to grow and reproduce. Return of migrating birds infected with parasites. Bodies of water containing parasites
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Unformatted text preview: -especially along shorelines and in shallow areas. Time spent in water. Prevention Water treatment/Copper sulfate Choose swimming spots carefully Avoid shoreline Rinse after swimming Dont feed the birds Treatment Calamine lotion Oral antihistamine Bathing in Epson salts or baking soda Apply cool compresses to affected areas If severe prescription creams such as a mild corticosteroid cream Question Swimmers itch is the common name for__? A. Actinic keratosis B. Molluscum contagiosum C. Tinea corporis D. Cercarial dermatitis E. Diphenhydramine...
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This note was uploaded on 12/29/2010 for the course BIOL 210 taught by Professor Gutiérrez during the Spring '10 term at Coastline Community College.

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Lect11 Swimmer's Itch - -especially along shorelines and in...

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