Background: Blister beetle dermatitis an irritant vesiculobullous disorder caused by rove beetles when it comes in contact with or is crushed on. Blister beetle dermatitis (BBD) is a seasonal irritant contact dermatitis caused mainly by beetles of the genus. Paederus. It is clinically. Background: Blister beetle dermatitis is an irritant dermatitis caused mainly by beetles of the genus Paederus. It is clinically characterised by acute onset of linear.
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Blister beetle dermatitis is an irritant contact dermatitis, caused when beetles of the genus Paederus are crushed on the skin, releasing the vesicant pederin. Though blister beetle dermatitis is a clinical diagnosis, at times it becomes difficult to identify it.
Differential diagnosis of Blister beetle dermatitis include Herpes simplex, H zoster, allergic or irritant contact dermatitis, Bullous impetigo and phyto photo dermatitis.
Authors have observed that in many cases of blister beetle dermatitis, even on mild touch over the affected area, patient will feel burning sensation and he will immediately pull back the touched body part.
This sign may be positive in few other conditions with localized hyperesthesia. It may be due to voluntary reaction due to hyperesthesia over inflamed area. This sign helps a lot in suspected cases of blister beetle dermatitis, where diagnosis is confusing.
Blister Beetle Bites
Many other similar conditions may not show this sign. Although it is mentioned that signs of Blister beetle dermatitis appear after h of contact, but practically, authors have noticed that most of the patients observe the lesions in the early morning after sleep. These few observations may be small, but helps a lot in diagnosing the cases of Blister beetle dermatitis.
National Center for Biotechnology InformationU. Int J Prev Med.
Author information Article notes Copyright and License information Disclaimer. Received Sep 12; Accepted Oct This is an open-access article distributed under the terms of blistee Creative Commons Attribution-Noncommercial-Share Alike 3. Footnotes Source of Support: Nil Conflict of Interest: An outbreak of Paederus dermatitis in a suburban hospital in South India: A report of cases and review of literature.
J Am Acad Dermatol. Singh G, Yousuf Ali S. Indian J Dermatol Venereol Leprol.
Paederus dermatitis Singh G, Yousuf Ali S – Indian J Dermatol Venereol Leprol
Clinicoepidemiological profile of cases of beetle dermatitis in western Orissa. Support Center Support Center.