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“ Scabies Life cycle Diagnosis, Treatment And Control ”

Said Adan. “ Scabies Life cycle Diagnosis, Treatment And Control ”. animal.discovery.com. What is scabies?. contagious disease caused by a mite sarcoptes scabiei Originally, scabies was a term used by the Romans to denote any pruritic skin disease.

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“ Scabies Life cycle Diagnosis, Treatment And Control ”

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  1. Said Adan “Scabies Life cycle Diagnosis, Treatment And Control” animal.discovery.com

  2. What is scabies? • contagious disease caused by a mite • sarcoptesscabiei • Originally, scabies was a term used by the Romans to denote any pruritic skin disease. • In the 17th century, Giovanni CosimoBonomo identified the mite as one cause of scabies.

  3. The scabies mite

  4. How is scabies transmitted? • Skin contact with infected person. • Infected persons who have no itching can pass the mite on to others • Scabies is usually not transmitted via clothing or beddingits very uncommon (the usual wash cycle can be used when these items are laundered)

  5. In routine scabies, a single mite is seen. Eosinophilic spongiosis may be present (H&E, 400X). Court

  6. SIGNS and SYMPTOMSscabies rash • Classical sites of scabies rash... • between fingers • wrists • auxiliary areas • female breasts (particularly the skin of the nipples) • the umbilical area • penis and scrotum • buttocks • inside of legs • ankles

  7. DIAGNOSIS • Definite diagnosis - a definite diagnosis is made by taking skin scrapings from burrows and identifying the mites, their eggs or faeces by microscopy • Presumptive diagnosis - it is often difficult to find burrows and obtain suitable specimens, therefore presumptive diagnosis relies on history and clinical appearance

  8. TREATMENTscabicides • Use a scabicide for the treatment of scabies • Permethrin (Elimite) -- In 5% cream.

  9. TREATMENTapplication of lotion or cream

  10. Ivermectin (Mectizan, Stromectol) -- Binds selectively with glutamate-gated chloride ion channels in invertebrate nerve and muscle cells, causing cell death.

  11. OUTBREAKSprevention • Promote good surveillance of new residents • Observe for rashes on arrival at the home, then at 3 weeks and at 6 weeks • Maintain a high level of suspicion if patients present with undiagnosed skin rashes • Families are treated all at the same time.

  12. Scabies references • Burgess I, 1994 - Sarcoptes scabiei and scabies, Advances in parasitology,Vol 33, Academic Press Limited • Burgess I, Cohen J, 2000 - Treating lice and scabies, Pages 99-105, Prescriber, 19 November 2000 • Walker GJA, Johnstone PW, 2000 - Interventions for treating scabies, The Cochrane Library, Issue 3 • Roberts DT, 2000 Editor – Lice and Scabies – A Health Professionals Guide to Epidemiology and Treatment. Public Health Laboratory Service, London

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