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Click on image for details. Paederus dermatitis is an irritant dermatitis caused by pederin, a toxin produced by the rove beetle Paederus. The disease occurs worldwide, but it is often not recognized as a history of contact with the insect is frequently absent.

It is commonly seen in the rainy season. Crushing the insect releases pederin, resulting in the characteristic linear lesions with a burning sensation that heal with hyperpigmentation. Treatment comprises immediate washing of the area to eliminate the toxin and topical application of a topical steroid-antibiotic combination.

Preventive measures may include reducing the insect population in the surroundings, avoiding contact of insects with the skin, minimizing the lesions after contact.

Awareness of the etiology and clinical manifestations makes it easier to suspect this condition even in the absence of a history of exposure to the insect. We present a comprehensive review of the etiopathogenesis, pathology, clinical features, treatment and prevention of Paederus dermatitis and also review the biology of the insect and its behavior.

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Paederus dermatitis: An outbreak on a medical mission boat in the Amazon. J Clin Aesthet Dermatol ; Al-Dhalimi MA. Paederus dermatitis in Najaf province of Iraq. Saudi Med J ; Somerset EJ. Br J Ophthalmol ; Krinsky WL. Beetles Coleoptera. Medical and Veterinary Entomology. San Diego: Academic Press; A contribution to the rove beetles Coleoptera : Staphylinoidea : Staphylinidae of Iranian rice fields and surrounding grasslands. Linz Biol Beitr ; Norton SA, Lyons C. Blister beetles and the ten plagues.

Lancet ; Capinera JL. Encyclopedia of Entomology. Frank JH, Kanamitsu K. Paederus , sensu lato Coleoptera : Staphylinidae : Natural history and medical importance. J Med Entomol ; Paederus dermatitis in Northern Iran: A report of cases. Int J Dermatol ; Mbonile L. Acute haemorrhagic conjunctivitis epidemics and outbreaks of Paederus spp.

S Afr Med J ; Evacuation of an Aboriginal community in response to an outbreak of blistering dermatitis induced by a beetle Paederus australis. Med J Aust ; Whiplash rove beetle dermatitis in central Queensland. Australas J Dermatol ; Dispersal pattern of Paederus fuscipes Coleoptera : Staphylinidae : Paederinae in relation to environmental factors and the annual rice crop cycle.

Environ Entomol ; Predatory behaviour and feeding potential of Paederus fuscipes curtis Coleoptera : Staphylinidae. Pest Manag Econ Zool ; Paederus dermatitis amongst medical students in USM, Kelantan. Med J Malaysia ; Life table of Paederus fuscipes Coleoptera : Staphylinidae. Vasudevan B, Joshi DC. Irritant dermatitis to staphylinid beetle in Indian troops in Congo. Med J Armed Forces India ; Blister beetle dermatitis.

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Three and one half approaches to the synthesis of pederin. In: Lindberg T, editor. Strategies and Tactics in Organic Synthesis. Meinwald J. An approach to the synthesis of pederin. Pure Appl Chem ; Lockwood JA. New York: Oxford University Press; Sentein P, Ates Y. Cytological characteristics and classification of spindle inhibitors according to their effects on segmentation mitoses. Cellule ; Studies on the mechanism of action of pederine. J Cell Biol ; Singh G, Yousuf Ali S.

Paederus dermatitis. Indian J Dermatol Venereol Leprol ; Kellner RL. Molecular identification of an endosymbiotic bacterium associated with pederin biosynthesis in Paederus sabaeus Coleoptera : Staphylinidae. Insect Biochem Mol Biol ; Kellner RL, Dettner K. Allocation of pederin during lifetime of Paederus rove beetles Coleoptera : Staphylinidae : Evidence for polymorphism of hemolymph toxin.

J Chem Ecol ; An outbreak of cases of Paederus dermatitis in a toy-building factory in central China. Paederus dermatitis in Egypt: A clinicopathological and ultrastructural study. J Eur Acad Dermatol Venereol ; Outbreak of Paederus dermatitis in Southern Nigeria.

Epidemiology and dermatology. Paederus Coleoptera : Staphylinidae in Uganda. I: Outbreaks, clinical effects, extraction and bioassay of the vesicating toxin. Ann Trop Med Parasitol ; Paederus dermatitis in Sierra Leone.

Dermatol Online J ; Paederus beetles: The agent of human dermatitis.


Blister beetle dermatitis

Blister beetles are long, narrow plant-feeding insects Meloida that vary in color from yellow to gray. They live in flower beds and grassy fields, and congregate around outdoor lights in the evenings. That is, until you develop a blister or welt that matches the description of blister beetle dermatitis. Read on to see pictures and learn more about these beetles, including how you get blister beetle dermatitis, how to treat it, and how to protect yourself. Blister beetle dermatitis results from contact with a blister beetle, not from an actual insect bite.


Blister Beetle Bites

Blister beetle dermatitis is a cutaneous condition that occurs after contact with any of several types of beetles , including those from the Meloidae and Oedemeridae families. The term "blister beetle dermatitis" is also occasionally and inappropriately used as a synonym for Paederus dermatitis , a somewhat different dermatitis caused by contact with pederin , an irritant in the hemolymph of a different group of beetles, the rove beetles. After skin comes in contact with cantharidin, local irritation begins within a few hours. Treatment:- Wash with soap and water. Cold application Topical Steroid and Antihistamines application. From Wikipedia, the free encyclopedia. Blister beetle dermatitis Specialty Dermatology Blister beetle dermatitis is a cutaneous condition that occurs after contact with any of several types of beetles , including those from the Meloidae and Oedemeridae families.

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