Creatures dermatitis Flashcards
Megalopyge opercularis
puss caterpillar of the most widespread causes of caterpillar dermatitis. Contact with this creature often causes immediate pain, urticaria, and erythematous papules or purpura in a tram-track pattern
Chilopoda
centipede
nocturnal carnivores that produce painful wounds by discharging venom
Scolopendra
centipede in Hawaii
Cheyletiella
harbored by dogs and cats and cause walking dandruff
Acarus
grain mite–bakers itch
Allodermanyssus sanguineus
house mouse mite, and the vector of rickettsial pox
Sarcoptes scabiei var. hominis
ovoid flat body with 8 legs
Burkholderia mallei
gram-negative rod
Farcy or glanders
Treatment is with surgical excision of the lesion followed by streptomycin combined with tetracycline
Glyciphagus
Cheese mite–Grocers itch
Pyemotes
Straw itch mite
Dermanyssus
fowl mites which most often affect office workers, homemakers, and bird fanciers–
Equine enchephalitis
Ornithonyssus
Can give Western equine encephalomyelitis virus
fowl mites which most often affect office workers, homemakers, and bird fanciers
Tabanid family
Horsefly and Deerfly
genus Chrysops
vector for loiasis
calabar swellings near eye
Orf
Parapoxvirus
Macular–Target-Acute-Regenerate-Papillomatos-Regress
oculoglandular syndrome of Parinaud
the combination of granulomatous conjunctivitis and preauricular lymphadenopathy seen in cat-scratch disease
Peucetia viridans
Green lynx spider
southern United States. It is bright green with red spots; the legs have black spines. The bite is painful, with tenderness and pruritus.
Phidippus formosus
jumping spider –Hyaluronidase
is an aggressive spider with dark body hairs and various white patterns. They are the most common biting spiders in the United States
Loxosceles reclusa
Brown recluse
Sphingomyelinase-D
bite may be painless, however the patient may develop erythema, a vesicle, and eventual necrosis
Red, white and blue sign–hemolytic anemia, shock, gangrene, hematuria
Give ICE not heat, no surgery
Latrodectus mactans
Black widow–
Bites are acutely painful, and may swell but do not cause necrosis; the venom contains alpha lactrotoxin–chills, vomit, cramps, paralysis. Can give antivenum up to 90hrs after
Centruroides sculpturatus
and Centruroides gertschi
primary scorpion species in the U.S
pain at site with swelling, convulsions, cardiopulm sequelae
Dermacentor variabilis
RMSF
Tularemia
Ixodes
Babesiosis, ehrlichiosis, Lyme disease, and tick paralysis (more dermacentors)
I. pacificus in California, I. ricinus in Europe, and I. scapularis in the eastern US
Tegenaria agrestis
Hobo spider
leading cause of necrotic arachnidism in the Pacific Northwest
Herringbone pattern
Severe headache, visual disturbance
Lycosidea
3 genera: Lycosa, Pardosa, Arctosa
Wolf spider
Histamine
painful bites that may lead to lymphangitis or an eschar
Flying squirrels
carriers of many infections including Toxoplasma gondii, Staphylococcus, and Rickettsia prowazekki, the latter of which causes epidemic typhys
African hedgehog
Trichophyton mentagrophytes and Salmonella
European hedgehog
M. marinum or MAI
Iguana
Serratia marcescens, herpes, salmonella
Chinchilla
T. mentagrophytes, and M. gypseum Kleb pna, and pseudomonas
Tyrophagus
grocery mite
Cockatoos and pigeons
Cryptococcus neoformans
Leishmania donovani
Phlebotomid sandfly
Visceral leish
Most in India
Callitroga americana
#1 myiasis in US Dermatobia hominis--pyogenic furuncle not better with abc
Glossinia
tse-tse fly
sleeping sickness
West Africa
Attagenus megatoma
Carpet beetle–ACD
Anopheles
malaria
Babesiosis
Babesia microti. It is transmitted by the larvae of Ixodes dammini. This disease is endemic in eastern Long Island, Martha’s Vineyard, and Nantucket, and carries an increased risk in those with T-cell depression or after splenectomy. The condition is associated with fever, drenching sweats, myalgias, and hemolytic anemia.
Peliosis hepatitis
Bacillary angiomatosis Bartonella henselae (grm neg rod)
Brucelliosis
Malta fever–flu like illness. skin violaceous papulonodule
raw goat milk
Grm neg rod
Doxy or rifampin
Burkholderia pseudomallei
Whitmore disease
melliodosis–pulm dz and septicemia
Cutaneous larva migrans
Ancylostoma braziliensis or A. canium from walking on beach,
Ivermectin or thiobendazole
Aedes
Yellow fever and Dengue fever
blackfly genus: Simulium
Onchocerca volvulus and can give tularemia
reiver blindness, which is the worldâ™s second leading cause of blindness
Solenopsin D
From Solenopsis, fire ant
a hemolytic factor, a piperidine derative and leads to histamine release
phospholipase A
honeybee
Hymnoptera
Crotalidae
rattlesnake and copperhead
Elapidae
coral snake (has laps/bands)
Hidippus
Jumping spider (Phidippus formosus)
Most common biting spider
Hyaluronidase
Chiracanthium
Sac Spider
Lipase
Theraphosidae
Terantula–urticating hairs, ophthalmia nodosa
Megalopyge opercularis
puss caterpillar-immediate pain
Blackfly
Vector for tularemia and onchocerciasis
Diplopoda
Millipedes
Harmless vegetarians
Toxic substance can cause burn or itch when scared though
Argasidae
Soft tick
Ixodidae
Hard tick
Southern Tick-Associated Rash Illness
Amblyomma americanum, lone star tick
Borrelia lonestari
Monocytic ehrlichiosis
E. chaffeensis–monomuclear
Rhipicephalus sanguineus
Granulocytic ehrlichiosis
I. scapularisE. phagocytophila, E. equi–periph PMNs
Relapsing fever
Ornithodoros moubata tick
Borrelia duttonii, B. hermsii, B. turicatae
Tularemia
D. andersoni and variablis
Francisella tularensis
Trombicula
chigger; scrub typhus
O. bacoti
vector for murine typhus
Sea Cucumber
holothurin–conjunctivitis
Seabathers eruption
Linuche unguiculata (thimble jelly fish) Edwardsiella lineate (sea anemone) Caribbean to Bermuda
Anthraline
Goa powder–Vouacopoua araroba tree
Antimalarial
from Cinchona officinalis in Lojan rainforest
Cantharidin
Lytta vesicatoria (Spanish fly)–blister beetle
Pyrethin
from Chrysanthemum flower of Compositae family
Eutrombicula alfreddugesi
Chigger
Vector of scrub typhus (R. tsutsugamushi)
Rickettsia tsutsugamushi
scrub typhus
Milker’s Nodule
Paravaccinia virus–Parapox
Butchers Wart
HPV 2 and 7
Erysipeloid
Gram + rod, treat with PCN or erythromycin
Bluish erythema usually on fish handler hands
Anthrax
Gram + rod, Rx: Cipro, doxy, or penicillin
culture with dacron or rayon swab, not cotton
Painless vesicle to eschar
Cat-Scratch Disease
Bartonella hensalae
Gram neg rod, some from Afipia felis
Glanders/Farcy
Pseudomonas mallei (grm neg rod)
Glanders can cause nasal ulceration/perfor.
Excise, give streptomycin + TCN
Cat Bite
Pasturella multocida–Augmentin
Human bite
Eikenella corrodens–Augmentin
Dog bite
Pasturella canis–Augmentin
Lepidoptera
Caterpillar
Hymenoptera
Honeybee, wasp, hornet, ants
tabandae family
horsefly, deerfly, cleg, breezefly, mango fly
Transmit loiasis and tularemia
Attagenus megatoma
Carpet beetle–ACD
Anthrenus scrophulariae
Carpet beetle–ACD
Pediculus capitis
Head lice
Malathion 0.5%.
6 legs and long body
STARI
Amblyomma americanum - Borrelia lonestari
Babesiosis
B. microti–NE
Ixodes scapularis. Decreased T cells if no spleen
Dermatophagoides
Dust mite–allergic reactions
Cnidarians
Jellyfish, manowar, coral, hydroids
Scyphozoan
Jellyfish
Chironex fleckeri
box jellyfish–lead to shock
Hydrozoa
Man O war, south atlantic, can get hemorrhagic lesions
Laelaps, Androlaelaps, Eulaelaps
Rodent mites
Pyemotes ventricosus
Straw itch mite