Nursing care
Scabies nursing care: what to assess and what to do first
Written and reviewed by Dana Whitfield, RN, MSN · 5 min read · Updated September 2026
Short answer
Scabies nursing care centres on recognising burrows between the fingers and itching that worsens at night, applying permethrin 5% from the neck down and leaving it on for the full prescribed time, and treating every household and close contact simultaneously, since missing one person restarts the outbreak.
The clinical picture
Scabies is caused by the mite Sarcoptes scabiei burrowing into the epidermis to lay eggs. The itching is a hypersensitivity reaction to the mite, its eggs and its faeces, which is why symptoms often take four to six weeks to appear after a first exposure but only one to four days after reinfestation.
The hallmark complaint is itching that is markedly worse at night, disturbing sleep more than daytime activity. Burrows appear as thin, greyish, thread-like lines a few millimetres long, classically found between the fingers, on the flexor surfaces of the wrists, in the axillae, around the waistline, and on the genitals. In infants and older adults, lesions can also appear on the scalp, face, palms and soles, presentations that are easy to miss if you are only checking the classic finger webs.
Assessment: what to look for and in what order
Start with the history: onset, pattern and timing of itching, and whether anyone else in the household or close contacts share the symptom. A shared itch pattern across a household is one of the strongest clues toward scabies over a simple dermatitis.
On skin exam, inspect the finger webs first, then wrists, elbows, axillae, waist and genital region before moving to less typical sites. Look specifically for burrows rather than just excoriation, since scratching alone produces nonspecific marks that could belong to any pruritic condition. Note secondary changes: excoriation, crusting, or signs of secondary bacterial infection such as honey-coloured crust or increasing erythema, which can indicate impetiginisation. In an immunocompromised or debilitated patient, assess for thick, scaly plaques that suggest crusted (Norwegian) scabies, a highly contagious variant carrying a far greater mite burden.
Immediate interventions
Initiate contact precautions before treatment begins. Confirm the prescribed scabicide, typically permethrin 5% cream, and apply it to the entire body from the neck down, including under the nails, between fingers and toes, and the soles of the feet. In infants, older adults and immunocompromised patients, application often extends to the scalp, face, ears and hairline as well, since mites can inhabit those areas when the immune response is diminished.
The cream is left on for the time specified by the prescriber, commonly eight to fourteen hours, often applied at night and washed off in the morning. Do not wash hands or reapply cream to areas rinsed by handwashing during that window. Every household member and close physical contact should be treated at the same time, even if they are asymptomatic, because the incubation period means an untreated contact can reintroduce the mite after everyone else has cleared it.
Ongoing nursing management
Reassess the patient a week or so after treatment. Itching commonly persists for two to four weeks after successful treatment because the hypersensitivity reaction outlasts the mite, so persistent itching alone is not evidence of treatment failure. New burrows or lesions appearing after that window suggest reinfestation or resistance and warrant re-evaluation.
Manage the itch symptomatically with an antihistamine or a topical corticosteroid as prescribed, and monitor excoriated skin for secondary infection. In an inpatient setting, maintain contact precautions until the prescribed treatment course is completed, and coordinate with environmental services on laundering linens and clothing. For crusted scabies, isolation precautions are more stringent and treatment often combines topical permethrin with oral ivermectin, reflecting the much higher mite load.
Patient and family education
Explain that all bedding, clothing and towels used in the three days before treatment need to be washed in hot water and dried on a hot cycle, or sealed in a plastic bag for at least seventy-two hours if they cannot be washed, since the mite cannot survive long away from a host. Vacuum upholstery and carpets rather than fumigate the house.
Teach the family that every member of the household and any recent sexual or close skin-to-skin contact needs treatment on the same day, regardless of whether they itch yet. Reassure them that residual itching for a few weeks after treatment does not mean the medication failed. Advise returning for review if new burrows appear after two to four weeks, or if the itching is accompanied by spreading redness or fever, which points to secondary infection rather than ongoing infestation.
How this appears on the NCLEX
Expect scabies questions to hinge on two discriminators: the nocturnal pattern of itching and the location of burrows in the finger webs and wrist flexors, distinguishing it from other pruritic rashes like atopic dermatitis or contact dermatitis. A question describing itching that is worse at night with linear lesions between the fingers is pointing you toward scabies even if the word never appears in the stem.
Priority and delegation items often test whether you know to treat the whole household simultaneously and to apply permethrin from the neck down for the full prescribed duration rather than washing it off early. You may also see items on precaution type: standard plus contact precautions for typical scabies, with more stringent precautions for crusted scabies given its markedly higher contagiousness.
The next step on this is the same as on everything else here: answer questions and read the rationales. Our pediatrics practice questions are the closest set to what this page covers.
Common questions
How long does permethrin need to stay on the skin for scabies?
Permethrin 5% cream is typically left on for eight to fourteen hours as prescribed, often applied overnight and washed off in the morning. It needs to cover the entire body from the neck down, including under the nails and between fingers and toes, with extension to the scalp and face in infants, older adults and immunocompromised patients.
Why does the itching from scabies continue after treatment?
The itching is a hypersensitivity reaction to mite proteins left in the skin, not solely a sign of live mites. It commonly persists for two to four weeks after a successful treatment course, so ongoing itching in that window does not by itself mean the treatment failed.
Does everyone in the house need treatment even without symptoms?
Yes. Because the incubation period before symptoms can be four to six weeks on first exposure, an asymptomatic contact can still be carrying the mite. Treating every household member and close contact on the same day prevents an untreated person from reinfesting the rest of the household.
What distinguishes crusted scabies from typical scabies?
Crusted, or Norwegian, scabies occurs mainly in immunocompromised or debilitated patients and involves a far higher mite burden, presenting as thick, scaly plaques rather than discrete burrows. It is markedly more contagious and usually needs stricter isolation precautions plus combined topical and oral treatment.
How should bedding and clothing be handled during treatment?
Wash anything used in the three days before treatment in hot water and dry it on a hot cycle. Items that cannot be washed should be sealed in a plastic bag for at least seventy-two hours, since the mite cannot survive that long away from a host.