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Scabies PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Scabies".

This medical PowerPoint presentation talks about scabies, a contagious skin condition caused by tiny mites called Sarcoptes scabiei that burrow into the skin and lay eggs, causing an itchy rash. It is spread through close contact with an infected person, as well as by sharing clothing, bedding, or towels with someone who has scabies.

The main symptom of scabies is intense itching, which often becomes worse at night. The rash can appear as small red bumps, blisters, or raised lines, and is usually found in areas where the mites have burrowed into the skin, such as between the fingers, around the waistline, and in the genital area.

Scabies is typically treated with topical medications that kill the mites and their eggs, such as permethrin cream or lotion. It is also important to wash all clothing, bedding, and towels in hot water to kill any mites that may be present. It is important to treat all household members and sexual partners who have been in close contact with an infected person, even if they do not have symptoms.

Prevention of scabies involves avoiding close contact with infected individuals and refraining from sharing clothing, bedding, or towels with others.

Tags : Scabies, Sarcoptes scabiei, skin infections, contagious skin condition, Dermatology, Dermatology PowerPoint presentation

Published on : Mar 31, 2023 | Views : 2825 | Downloads : 1

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Slide 1-

Scabies June 2022 Clair Stokes Infection Prevention and Control
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IntroductionFormsInfectionsTransmission DiagnosisTopical treatmentManagement and TreatmentOutbreakGeneral informationEnvironmental CleaningTreatment failureManagement of failureReferral or transferReferences
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Introduction Scabies is a skin infection caused by mites known as Sarcoptes Scabie. Females burrow into the skin, laying about 25 eggs and then die. The new mites hatch from the eggs in 10-15 days, tunnel up to the skin surface and grow into adults. The main symptoms of scabies are due to the body’s allergic reaction to the mites and their waste. Symptoms include an itchy, widespread rash (often worse at night) which occurs mainly between the fingers, on the waist, armpits, wrists, navel and elbows. It usually affects both sides of the body alike. The rash does not correspond to where the mites are located on the body.
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Forms There are two forms of scabies both caused by the same mite. The most common form of ‘classical scabies’, has fewer than 20 mites all over the body. The rarer type of ‘crusted (Norwegian) scabies’, which may be seen in immunosuppressed individuals, can have thousands or millions of mites causing a more severe reaction in the skin. It develops due to an insufficient immune response in the host.
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Infections Scabies is contagious before symptoms occur which is on average 3-6 weeks following infestation, however, if a person has had scabies in the past, symptoms will develop in 1-3 days. Untreated scabies is often associated with secondary bacterial infection which may lead to cellulitis (infection of the deeper layers of the skin), folliculitis (inflammation of a hair follicle), boils or impetigo. Scabies may also exacerbate other pre-existing skin conditions, such as eczema and psoriasis.
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Transmission From an infested person: • Direct skin to skin contact with a person who is infected with scabies (approximately 10 minutes uninterrupted skin-to-skin contact) • The mite cannot jump from person to person, but can crawl from one individual to another when there is skin to skin contact for a short period of time, e.g. holding hands
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Cont… Classical scabies On average, the mites can survive in the environment for 24-36 hours, therefore, can be transmitted from clothing or bedding, Crusted (Norwegian) scabies (highly contagious due to the large number of mites) The mites can survive in the environment for 7 days, therefore, can easily be transmitted from clothing, bedding, upholstery.
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Diagnosis Diagnosis of scabies is usually made from the history and examination of the affected person, in addition to the history of their close contacts. Misdiagnosis is common because of its similarity to other itching skin disorders, such as contact dermatitis, insect bites, and psoriasis. Classical scabies Diagnosis should be confirmed by a GP or Dermatologist. Crusted (Norwegian) scabies A diagnosis by a Dermatologist is essential as it is highly contagious, it usually presents itself in the form of ‘crusted lesions’ which are found mainly around the wrist areas, but can also affect other parts of the body. A rash is usually found covering the body which appears crusted, but may not be itchy. Thousands or millions of mites can be present and are capable of disseminating into the immediate environment due to the shedding of skin from the crusted lesions, surviving for a day or two in warm conditions.
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Topical preparations for treatment Treatment is in the form of a lotion or cream that is available on prescription or from a pharmacy: Adults usually need 2-3 x 30 g tubes for 1 treatment application (treating those without symptoms) and 4-6 tubes for 2 treatment applications (treating those with symptoms). Insufficient lotion is a contributory factor to treatment failure. Lyclear Dermal Cream (permethrin 5%): Low toxicity. 8 hour treatment Derbac – M (malathion): 24 hour treatment
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Management and Treatment Residents with crusted (Norwegian) scabies should be isolated until treatment is completed. Residents with classical scabies do not normally need to be isolated, as they do not usually have skin to skin contact with other residents, even if confused. Treatment consists of the application of two treatments, one week apart. Clean hands and wear disposable apron and gloves when there is close contact, e.g. when performing personal hygiene, and gloves, for example when assisting a resident when walking to the toilet if skin to skin contact is likely until the second treatment has been completed. Mites can harbour themselves under the nails, therefore, the affected person’s nails should be kept short. Clothing, nightwear and bed linen of all those treated should be washed as normal, Other residents, staff members, relatives or close contacts may also require treatment. Clean hands after removing and disposing of each item of PPE, e.g. pair of gloves, apron. Following treatment, itching often persists for several weeks and is not an indication that treatment has been unsuccessful.
Slide 11-

Treatment in an outbreak situation If an outbreak (two or more cases) is suspected, contact IPC Nurses or UKHSA Team who will confirm diagnosis. They will give advice and help coordinate arrangements for treatment of identified individuals to take place at a specified time and date. Each resident and staff member should be assessed to determine if they are high, medium or low risk of infection. Residents and staff with symptoms should have two treatments, one week apart. If there are two or more residents/staff with symptoms, assess all residents and staff for symptoms. Those identified with symptoms should have two treatments, one week apart. Those without symptoms should have one treatment. Treatment should start on the same day for all residents, staff and close relatives, who have been advised treatment.
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General Information Linen and clothing should be washed at 60oC or as recommended by the manufacturer and tumble dried. If a waterproof covered duvet is used, it is adequate to wash the cover only. Any clothing difficult to wash can be pressed with a hot iron if the fabric is suitable for ironing at a high temperature. Items that cannot be washed should be placed into plastic bags and sealed to contain the mites for 72 hours to allow the mites to die. Visitors should avoid prolonged skin to skin contact, e.g. holding hands, until treatment is completed. Brief contact such as kissing and hugging is acceptable.
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Environmental Cleaning Scabies mites live on and under the skin. They can only survive off the body for 24-36 hours. High: Staff members who undertake intimate care of residents and who move between residents, rooms or units. This will include both day and night staff; symptomatic residents and staff members Medium: Staff and other personnel who have intermittent direct personal contact with residents, asymptomatic residents who have their care provided by staff members categorised as ‘high risk’ Low: Staff members who have no direct or intimate contact with affected residents, including asymptomatic residents whose carers are not considered to be ‘high risk’ Routine cleaning of hard surfaces in the environment with warm water and pH neutral detergent is sufficient. Soft furnishings with non-wipeable covers should be removed from use following treatment and placed into plastic bags and sealed for 72 hours, to allow any mites on the fabric to die. The items should be vacuumed.
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Suspected Treatment Failure Evidence shows that unsuccessful eradication is usually due to failure to adhere to the correct outbreak procedures and treatment instructions. Treatment failure is likely if: The itch still persists for longer than 2-4 weeks after the first application of treatment (particularly if it persists at the same intensity or is increasing in intensity) Treatment was uncoordinated or not applied correctly, e.g. scalp and face not treated, not reapplied after washing hands, etc., during the treatment time New burrows appear (these are not always easily seen) after the second application of the treatment
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Management of treatment failure Consider alternative diagnosis. Re-examine the person to confirm that the diagnosis is correct and look for new burrows. If all relevant residents, staff members, relatives or close contacts were treated simultaneously and treatment was applied correctly, a course of a different treatment should be used: o If permethrin 5% dermal cream was used initially, then use malathion 0.5% aqueous solution; or o If malathion 0.5% aqueous solution was used initially, then use permethrin 5% dermal cream If contacts were not treated simultaneously or treatment was incorrectly applied, either re-treat with the same treatment, or use a different treatment. All relevant residents, staff members, relatives or close contacts should be re-treated at the same time.
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Referral or transfer to another health or social care provider • Prior to a resident’s transfer to and/or from another health and social care facility, an assessment for infection risk must be undertaken. This ensures appropriate placement of the resident. • The ambulance/transport service and receiving area must be notified of the resident’s infectious status in advance.
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References Burgess I (2006) Medical Entomology Centre Insect R&D Ltd Cambridge Department of Health (2015) The Health and Social Care Act 2008 Practice on the prevention and control of infections and related guidance NHS England and NHS Improvement (March 2019) Standard infection control precautions: national hand hygiene and personal protective equipment policy National Institute for Health and Care Excellence Clinical Knowledge Summaries (2017) Management of Scabies cks.nice.org.uk/scabies Public Health England (2018) Infection Prevention and Control: An Outbreak Information Pack for Care Homes – “The Care Home Pack”
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