Paederus dermatitis is an irritant contact dermatitis due to accidental contact by a beetle belonging to the genus paederus. Bullous contact dermatitis caused by selfapplied crushed. Oct 01, 20 paederus fuscipes curtis, a dermatitis linearis causing agent, has received increasing attention from the public, as it poses a serious health threat after mass dispersal into humandominated areas. Preventive measures against this insect have so far been unsuccessful partly because of limited knowledge about its dispersal pattern. Contact dermatitis cd is usually a localized rash that clears up in two to three weeks. Paederus dermatitis is a specific form of acute irritant contact dermatitis caused by contact with the vesicant chemical pederin contained in the body fluids of insects of the genus paederus. Kissing ulcers, whiplash dermatitis and nairobi eye are some of the clinical manifestations of paederus dermatitis. However, paederus species are unlikely to be used in biological control as almost all species in all life stages contain pederin, a hemolymph toxin that causes blistering dermatitis morsy et al.
Background outbreaks of paederus dermatitis pd have been observed in different parts of the world, yet the histopathological and ultrastructural changes and their relationship to pederin toxin have not. Control of the rove beetle in rapidly deployed ebola. A 28yearold nursing student working in juba, south sudan, suddenly developed a rash over her midright clavicle. Beginning as a 10cmdiameter erythematous patch with an irregular border, within 24 hours it had developed an increasingly gray, necrotic center, appearing similar to a burn. Histopathological characterization of induced paederus dermatitis. Multiple lesions occurred in 78% of the patients and the face was the most commonly involved site 48%. This case report of paederus dermatitis diagnosed at sea highlights the importance of a multidisciplinary diagnostic approach and telecommunication in providing remote medical advice to isolated traveling workers such as seafarers. In our institution, which is an urban center located in the eastern part of india the disease is seen throughout the year with an increase during certain parts of the year. Rove beetles family staphylinidae constitute one of the largest groups of beetles, with at least 50,000 described species distributed worldwide grebennikov and newton 2009. This is a specific form of irritant dermatitis often characterized by linear lesions on the exposed areas of the body, mainly on the neck and face, generally appearing during the night 15. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. The presenting ss in this study are similar to that of paederus dermatitis where the onset of burning sensation is followed by erythematous plaques with vesicles appearing 12 36 hours later. The patient reported that a few hours before, while waiting at night in a bus station in the town of ospino, portuguesa state in the central western venezuelan plains, he noticed what looked like an ant crawling on his hand.
Jan 17, 2019 a 25 year old woman woke with erythema, oedema, and painless, nonpruritic pustules around her right eye fig 1, accompanied by tingling, conjunctival hyperaemia, and lesions on her neck and right auricle. We came across an epidemic cluster of paederus dermatitits cases in our campus which prompted us to. Paederus dermatitis is a perculiar irritant contact dermatitis characterised by erythematobullous lesions of sudden onset on exposed areas of the body. Paederus dermatitis is an acute irritant contact dermatitis caused by accidental crushing of an insect belonging to the genus. Paederus dermatitis pd is a form of irritant contact dermatitis caused by paederus spp. The aim of this study was to characterize the histopathological changes of induced pd caused by egyptian rove beetles paederus alfierii.
Paederus dermatitis in sierra leone syed nurul rasool qadir mmbs 1, naeem raza mmbs 2, simeen ber rahman md 3 dermatology online journal 12 7. The first report of dermatitis linearis dates back to the late nineteenth century, when local staff stationed at the anjetkidoel lighthouse in java, indonesia, suffered from skin irritation after coming in contact with an antlike beetle that was later identified as paederus vorderman 1901. This form of dermatitis usually occurs accidentally in those who have contact with this insect during the summer season. The toxic effects of paederus were unknown to western medicine until this century, but they were known to chinese medicine 1,200 years earlier. To study the clinical features and factors associated with paederus dermatitisblister beetle dermatitis bbd and to carry out an epidemiological survey in manipal with regard to paederus dermatitis. Background outbreaks of paederus dermatitis pd have been observed in different parts of the world, yet the histopathological and ultrastructural changes and their relationship to pederin toxin have not been described. A randomized doubleblind, prospective, placebocontrolled clinical trial was performed in 62 patients with clinical symptoms and sings of. Pdf nairobi fly paederus dermatitis in south sudan. In the clinical study the patients were evaluated by means of a standard pro forma. This insect does not bite or sting, but releases a. Other local names given to paederus dermatitis include spiderlick, whiplash dermatitis, and nairobi fly dermatitis rove beetles do not bite or sting but cause skin. Several interpretations of the biblical ten plagues exodus 7. Paederus dermatitis is a peculiar irritant contact dermatitis caused when beetles of the genus paederus often called rove beetles are crushed on the skin, releasing the vesicant pederin.
Paederus dermatitis is an acute irritant contact dermatitis caused by accidental crushing of an insect belonging to the genus paederus. Our medical college hospital, which is situated in the suburbs of. Singh g, et al paederus dermatitis preventing paederinbased trauma. Pdf paederus dermatitis is an irritant contact dermatitis due to accidental contact by a beetle belonging to the genus paederus. Paederus nairobi fly vesicular dermatitis in tanzania ray. T whiplash dermatitis produced by the common rove beetle, med j aust 1. It is characterized by the sudden onset of erythematous and vesicular lesions with burning sensation on exposed areas of the body. Paederus dermatitis is an unusual form of contact dermatitis caused by pederine, a secretion of insects belonging to the genus paederus. This is a temporary file and hence do not link it from a website, instead link the url of this page if you wish to link the pdf file. If not immediately washed off, the chemical leads to a linear dermatitis composed of erythematobullous lesions. Combined military hospital, abbottabad, pakistan 3. Histopathological characterization of induced paederus.
Rove beetles of the genus paederus cause dermatitis when they come in contact with human skin. 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 449 blister beetles secrete an irritant called cantharidin, a vesicant that can get onto humans if they touch the beetles. An outbreak of paederus dermatitis in a suburban hospital in. We report a peculiar case of a patient developing severe chemical burnlike lesions after application to her. Introduction contact dermatitis due to paederus is a particular form of accident by animal contact.
However, sometimes it can be persistent or severe, and occasionally can become widespread. Paederus dermatitis is a peculiar, irritant contact dermatitis characterized by a sudden onset of erythematobullous lesions on exposed areas of the body. This insect does not bite or sting, but releases a fluid containing paederin, a potent vesicant agent. Paederus dermatitis karthikeyan k, kumar a indian j dermatol. Paederus is a genus of small beetles of the family staphylinidae rove beetles. Outbreaks of paederus dermatitis were a common and feared. This is a specific form of irritant dermatitis often characterized by linear lesions on the exposed areas of the body, mainly on the neck and face, generally appearing during the. Irritant bullous contact dermatitis caused by a rove. This is a specific form of irritant dermatitis often characterized by linear lesions on the exposed areas of the body, mainly on the. This study provides epidemiological as well as clinical data of paederus dermatitis and recommends preventive measures in reducing future incidences of paederus dermatitis. Paederus dermatitis karthikeyan k, kumar a indian j. Paederus dermatitis also known as spider lick, night burn and dermatitis linearis is a cutaneous condition that occurs due to physical contact with rove beetles belonging to the genus paederus 1.
Pdf paederus dermatitis is an unusual form of contact dermatitis caused by pederine, a secretion of insects belonging to the genus paederus. The disease is provoked by an insect belonging to the genus paederus. The dermatitis can be severe, painful, and unsightly, with erythema persisting for months. The only cases of grass, or meadow, dermatitis observed in the united states were reported by corson 1 and robinson. Staphylininae is slender and dark orange, with the head, elytra, and last two abdominal segments colored black. Paederus dermatitis in a seafarer diagnosed via telemedicine. Pdf paederus dermatitis, a type of irritant contact dermatitis attributed to a staphylinid beetle, is prevalent in most. A randomized doubleblind, prospective, placebocontrolled clinical trial was performed in. Paederus dermatitis, medically known as dermatitis linearis, is a skin irritation resulting from contact with the hemolymph of certain rove beetles, a group that belongs to the insect order coleoptera and the genus paederus. Histopathological examination revealed features of acute irritant dermatitis in the upper epidermis. The patient was seen by 2 local physicians without a diagnosis being made. The disease is provoked by vesicating toxins found in the endolymph of paederus beetles belonging to the class insecta, order coleoptera beetles, family staphylinidae rove beetles, subfamily paederinae. Pdf treatment of paederus dermatitis with sambucus ebulus.
Pdf paederus dermatitis in sierra leone researchgate. Due to toxins in the hemolymph of some species within this genus, it has given its name to paederus dermatitis, a characteristic skin irritation that. Irritant contact dermatitis icd and allergic contact dermatitis ur acd are considered as the two subgroups of the entity. This beetle does not bite or sting, but accidental brushing against or. Paederus dermatitis singh g, yousuf ali s indian j dermatol. Indian dermatology online journal paederus dermatitis. These insects are found worldwide, although the concentration is higher in tropical and subtropical areas. Treatment of paederus dermatitis with sambucus ebulus lotion. May 01, 2012 in this family, only members of the genus paederus have vesicant properties that cause dermatitis linearis on humans skin. Outbreaks of paederus dermatitis pd have been reported in kafr elsheikh governorate when rove beetles genus. Paederus dermatitis is caused when a pederincontaining beetle is crushed, even partially, against the skin.
A peculiar erythematovesicular dermatitis, that appears mostly in the uncovered areas of the body, has been observed in caracas, venezuela. The affected area resolved in 6 weeks and hyperpigmention persisted for months until complete resolution. Allergic contact dermatitis was unlikely because the rash was. A 38yearold man attended our clinic as an emergency because of an insect bite. The insects are known in east africa as nairobi fly and cause an acute, painful toxic epidermolysis when. The disease is provoked by an insect belonging to genuspaederus. Contact dermatitis cd describes a group of skin disease caused by contact allergens or na irritant substances. Paederus dermatitis is an irritant dermatitis caused by pederin, a toxin produced by the rove beetle paederus. Clinical and epidemiological study of paederus dermatitis. Paederus dermatitis is a common skin condition in najaf province. Paederus dermatitis, international journal of dermatology. In this study, we aimed to evaluate clinical characteristics of the cases with paederus dermatitis. The disease occurs worldwide, but it is often not recognized as a history of contact with the insect is frequently absent.
Staphylininae is slender and dark orange, with the head. Blister beetle dermatitis, sometimes used for paederus dermatitis, is more properly dermatitis caused by cantharidin from blister beetles. Request pdf on jan 1, 2007, gurcharan singh and others published paederus dermatitis find, read and cite all the research you need on researchgate. In this family, only members of the genus paederus have vesicant properties that cause dermatitis linearis on humans skin. Peaderus dermatitis dermatitis linearis is a type of irritant contact dermatitis resulting from cutaneous contact with the hemolymph of members of the genus paederus family staphylinidae containing paederin. Haemolymph extracts pederin of one and three insects. Paederus fuscipes curtis, a dermatitis linearis causing agent, has received increasing attention from the public, as it poses a serious health threat after mass dispersal into humandominated areas. This pdf is available for free download from a site hosted by medknow publications.
The diagnostic clue in this outbreak of dermatitis is. Tactics that can be employed to achieve this 2,7 include. The epidemics can be mitigated by simple precautions. Learn to recognize paederus beetles and avoid handling or crushing these insects against exposed areas of. A 25 year old woman woke with erythema, oedema, and painless, nonpruritic pustules around her right eye fig 1, accompanied by tingling, conjunctival hyperaemia, and lesions on her neck and right auricle. Paederus dermatitis also known as spider lick, night burn and dermatitis linearis is a cutaneous condition that occurs due to physical contact with rove beetles belonging to the genus paederus. View the article pdf and any associated supplements and figures for a period of 48 hours. It inhabits moist areas such as marshes, edges of freshwater lakes, and. Paederus dermatitis is a peculiar, irritant contact dermatitis caused by a beetle belonging to the genus paederus. The dermatitis is most frequently seen in regions with a. Seafarers are traveling workers, subject to unique exposures and generally isolated from adequate medical care. Instead of having three two small articles discussing paederus dermatitis, this one plus two localized names for the irritation of human skin by the chemical pederin, i think that blister beetle dermatitis and nairobi fly dermatitis should redirect to this page, and that this page should discuss the general situation, with other material in.
Paederus dermatitis is a linear, blistering contact dermatitis caused by pederin, a potent vesicant agent that is contained in insects belonging to the genus paederus. Pdf paederus dermatitis, a type of irritant contact dermatitis attributed to a staphylinid beetle, is prevalent in most parts of the world. Rove beetles neither bite nor sting, but accidental crushing on human skin causes them to release the toxin paederin, which causes dermatitis linearis. Clinical and epidemiological study of paederus dermatitis in. Paederus dermatitis, alternatively called blister beetle dermatitis, nairobi fly bites, and kenya fly dermatitis, is a form of irritant contact dermatitis that is prevalent in the tropics. Paederus dermatitis outbreak in luanda city, angola. The clinical characteristics of the condition are those described in connection with the vesicant properties of coleoptera of the genus paederus. The awareness of this condition among the medical practitioners will aid in the early diagnosis and. Discussion paederus dermatitis is an entomological model of irritant contact dermatitis.
In julyaugust during the rainy season, this skin irritation was most prevalent and the population of these beetles peaked 36. An outbreak of paederus dermatitis in a primary school. The aim of this study was to describe the epidemiological and clinical findings of an outbreak of paederus dermatitis in panama. In the spring and summer of 2011 our outpatient department opd was flooded with cases of paederus dermatitis, the incidence being much higher than in previous years. With 622 valid species assigned by 1987 to the subtribe paederina paederus and its close allies, and with all but 148 within paederus itself, the genus is large. An outbreak of paederus dermatitis in a suburban hospital.
Four cases of dermatitis following contact with insects of the genus paederus are described. Lesions were most commonly found on the neck followed by the face. Paederus dermatitis, also known as dermatitis linearis. Cd is characterized by an eczematous eruption and can imitate many dermatologic conditions1, 2. Dermatitis linearis, also known as paederus dermatitis, is a contact dermatitis characterized by erythematous and vesicular lesions of sudden onset on exposed areas of the body. Outbreaks of paederus dermatitis pd have been reported in kafr elsheikh governorate when rove beetles genus paederus are accidentally brushed or crushed on the skin, releasing haemolymph pederin. Paederus nairobi fly vesicular dermatitis in tanzania.
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