Indian Journal of Dermatology
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Table of Contents 
Year : 2014  |  Volume : 59  |  Issue : 2  |  Page : 197
Authors' reply

Department of Dermatology, KPC Medical College and Hospitals, Kolkata, West Bengal, India

Date of Web Publication21-Feb-2014

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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5154.127688

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How to cite this article:
Coondoo A, Nandy J. Authors' reply. Indian J Dermatol 2014;59:197

How to cite this URL:
Coondoo A, Nandy J. Authors' reply. Indian J Dermatol [serial online] 2014 [cited 2021 Mar 8];59:197. Available from: https://www.e-ijd.org/text.asp?2014/59/2/197/127688


We thank the reader for the interest shown in our article: "Paederus dermatitis: An outbreak, increasing incidence or changing seasonal pattern?" In our article we have only surmised that an alteration in the seasonal pattern as evidenced by the delay in onset of monsoon in Kolkata in 2011 could have played a role in the outbreak of paederus dermatitis. This was based on the observation that the insects thrive in a moist atmosphere. [1] Hence, due to the arid conditions prevailing outside they could have moved indoors in search of the moist environs. Our study compared the statistics for only 3 years. There have been outbreaks in earlier years but we have not checked whether the onset of monsoon was delayed in those years.

Interestingly, the authors have raised the issue of human migration disturbing the resident paederus population and causing the attack. There are reports of outbreaks of paederus dermatitis occurring in the roving population in a medical mission boat in the Amazon [2] and among army personnel on field duty. [3] However, our study was conducted among patients visiting our hospital. They were all residents of the catchment area of our hospital which comprises principally of urban and semi-urban localities and there was no evidence that any of them had migrated from other areas. This was similar to observations in other studies. [4],[5]

Hence, we believe that though "shift of the human community invading to the area which is the habitat of the insect" may be the causative factor in some outbreaks this was not so in our study.

   References Top

1.Singh G, Yousuf Ali S. Paederus dermatitis. Indian J Dermatol Venereol Leprol 2007;73:13-5.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.Mammino JJ. Paederus dermatitis: An outbreak on a medical mission boat in the Amazon. J Clin Aesthet Dermatol 2011;4:44-6.  Back to cited text no. 2
3.Verma R, Agarwal S. Blistering beetle dermatitis: An outbreak. Med J Armed Forces India 2006;62:42-4.  Back to cited text no. 3
4.Toppo NA, Bhadoria AS, Kasar PK, Trivedi A. Paederus dermatitis among residents of nursing hostel in central India: An outbreak investigation. Indian Dermatol Online J 2013;4:153-5.  Back to cited text no. 4
[PUBMED]  Medknow Journal  
5.Turan E. Paederus dermatitis in Southeastern Anatolia, Turkey: A report of 57 cases. Cutan Ocul Toxicol 2013.  Back to cited text no. 5


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