Dec 2011

Bioorganic Farming Practices as a Source of Atypical Ectoparasitosis

Author Affiliations

Author Affiliations: Unit of Parasitology –Mycology –Tropical Medicine, University Hospital Bretonneau, Tours, France (Drs Desoubeaux, Amara, and Chandenier); Service of Medical Biology, General Hospital of St Malo, St Malo, France (Dr Goustille).

Arch Dermatol. 2011;147(12):1458-1459. doi:10.1001/archderm.147.12.1458

During the summer, a 46-year-old French woman presented with pruriginous dermatitis of the scalp. She reported feeling as if “small beasts ” were falling from her scalp, especially in the evenings, annoying her during her work and sleep. Antilice lotions were ineffective, as was oral ivermectin treatment at 200 μg/kg. Many bites and scratches were visible on her back (Figure 1). The dermatologist discovered insects less than 0.04 of an inch long and sent them for identification to the Parasitology Service of the University Hospital of Tours.

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