Scabies and other parasitic skin diseases
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ØV. Vašků
Ø    English version HJ 2020
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Skin parasitic diseases
caused by arthropoda
1.Scabies
mite Sarcoptes scabiei var. hominis
Incubation period 2-4 weeks
Itchy small papules, burrows in horny layer
Secondary bacterial infection
Typical predilection sites
Chronic scabies – nodules
In immunocompromised people crusted lesions – Norwegian scabies
Therapy and and epidemiologic measures necessary











































Skin parasitic diseases caused by insect (blood suckers)
Ø2. Pediculosis
ØPediculus capitis
ØPhtirus pubis
ØPediculus corporis (louse borne typhus Rickettsia prowazekii)
ØMacules, papules, hives
ØTx permethrin, silicon oil
Ø3. Pulicosis
ØPulex irritans (flea)  human
Ø– most common
Ø(source of  human Yersinia pestis infection)
Øcat and dog flea
ØTx symptomatic






















Skin parasitic diseases
caused by insect (blood suckers)
Ø4. Cimicosis (bedbugs)
ØCimex lectularius
ØIncreased occurence – international travel, insecticide resistance
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ØUrticarial papules, vesicles
ØDifficult to eliminate (bed frames, mattrasses)
ØTx symptomatic




Skin parasitic diseases
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Ø5. Trombidiasis (trombiculosis – chiggers)
ØMite Trombicula autumnalis
ØMeadows, lawns
ØItchy papules, vesicles, quick healing
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Ø6. Ixodidae (ticks)
ØIxodes ricinus – most common in CR
ØForests, parks, gardens
ØBite - hard papule
ØTick borne diseases Lyme disease, encephalitis, other
ØEarly removal necessary, disinfection











































Skin parasitic diseases
blood sucking and stinging insects
Ø7. Diptera
ØCulicidae (mosquitoes)
ØMuscidae (hematobia - horn flies)
ØSimulidae (black flies)
ØTabanidae (horse flies)
ØInfections – malaria, leishmaniosis, dengue, trypanosomiasis
ØTx symptomatic, repellents!
Ø8. Hymenoptera
ØBees, wasps, hormets, ants










Skin parasitic diseases
other
ØMite Pyemotes ventricosus
ØStraw itch mites
ØMite Cheyletiella
ØCats, dogs, rabbits
ØDemodicosis – Demodex folliculorum
ØCommon on skin rich in sebaceous glands
ØDermanyssus galinae - poultry
















Skin parasitic diseases
worms

Ø1. Cercaria dermatitis – swimmers itch
ØSchisostoma Trichobilharzia
ØMacular rash - ponds
ØTx symptomatic
Ø2. Larva migrans – creeping eruption
ØHookworm of cats and dogs - Ancylostoma caninum, Ancylostoma duodenale
ØMigratory itchy eruption , rarely systemic symptoms
ØTx Cryotherapy, Ivermectin, albendazol







Spider bites
ØCzech Republic
ØCheiracanthium punctorium
ØEresus moravicus




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