File:CercariaDermatitis.JPG

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English: Cercarial dermatitis ("swimmer's itch") on a human shank and ankle, four days after infestation. The bloodshot, puriginous skin vesicles (diameter ~5 mm) are caused by a — in this case harmless — infection with parasitic larvae (cercaria) of distinct Trematode species (probably Trichobilharzia ocellata / Trichobilharzia sp.). The most itching period is between the 2nd and 4th day after infection.
Deutsch: Badedermatitis am Unterschenkel und Knöchel einer bereits sensibilisierten Person, vier Tage nach dem (Fehl-)Befall. Die blutunterlaufenen, juckenden Quaddeln bzw. Ausschläge von ca. 5 mm Durchmesser wurden von parasitierenden Larven (= Zerkarien) bestimmter Saugwurmarten (Trichobilharzia sp.) in einem Weiher hervorgerufen. Eigentlich hatten sie eine Ente als Wirt nutzen wollen. Der Juckreiz war in diesem Fall etwa am fünften Tag verflogen; die roten Flecken wurden von da an sukzessive blasser und waren am zehnten Tag kaum mehr sichtbar (ohne Therapie).
Date
Source Own picture, made in north-eastern Lower Saxony, Germany.
Author Christian Fischer.
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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current06:19, 19 December 2011Thumbnail for version as of 06:19, 19 December 2011805 × 771 (120 KB)Rotatebot (talk | contribs)Bot: Reset EXIF-specified Orientation of image (EXIF-Orientation set from 8 to 1, rotated 0°)
11:29, 13 July 2010Thumbnail for version as of 11:29, 13 July 2010771 × 805 (142 KB)Fice (talk | contribs){{Information| |Description= '''''English:''''' Cercarial dermatitis ("swimmer's itch") on a human shank, four days after infestation. The bloodshot, puriginous skin vesicles are caused by a — in this case harmless — infection with parasitic larvae (c

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