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At least 19 recordsLinked to original sources
PubMed2003

Oral ivermectin treatment in two cases of scabies: effective in crusted scabies induced by corticosteroid but ineffective in nail scabies.

We report two cases of scabies treated with oral ivermectin (200 micro g/kg). Case 1, a 72-year-old man, developed crusted scabies with the use of oral corticosteroids due to a misdiagnosis by an earlier physician. The patient was successfully treated with two doses of oral ivermectin at a 7 day interval with concomitant topical use of crotamiton and keratolytic agents. However, the nail scabies in this patient failed to respond to these treatments. Live mites were detected from all his toenails two weeks after the second dose of ivermectin. A complete cure of the nail scabies was achieved by occlusive dressing of 1% gamma-BHC on all toenails for one month. Case 2, a 52-year-old woman, had been treated with oral corticosteroid for mesangial nephritis. She developed common scabies, but a topical scabicide, crotamiton, was not effective. Two weeks after treatment with a single dose of oral ivermectin, eggs were still detected from a burrow on her trunk. Her treatment was completed after a further two doses of oral ivermectin were administered at 7 day intervals. In both patients, the administration of oral ivermectin did not induce any clinical or laboratory side effects. Oral ivermectin is effective for crusted scabies, but not effective for nail scabies. Two doses of oral ivermectin, administered with a one-week interval, is an appropriate treatment regimen.

Administration, Cutaneous↗
PubMed2000

Interventions for treating scabies.

BACKGROUND: Scabies is a common public health problem with an estimated prevalence of 300 million. Infestation can cause considerable discomfort and intense itching. Severe adverse effects have been reported for some drugs used to treat scabies. OBJECTIVES: The objective of this review is to assess the effects and toxicity of topical and systemic drug treatment for scabies. SEARCH STRATEGY: We searched the Cochrane Infectious Diseases Group trials register, the Cochrane Controlled Trials Register, Medline, Embase, military records, traditional medicine databases. We also contacted international specialist centres and drug manufacturers. SELECTION CRITERIA: Randomised controlled trials of any drug treatment for scabies. Tolerability and toxicity were sought in any study of humans taking any drug treatments for scabies. DATA COLLECTION AND ANALYSIS: Two reviewers assessed trial quality and extracted data. MAIN RESULTS: Eleven trials were included (7 compared drug treatments, 2 compared treatment regimes, 1 compared the drug vehicle and 1 was a community intervention). Compared with placebo in one small trial, ivermectin was associated with a significant higher clinical cure rate at seven days. Permethrin appeared to be more effective than crotamiton for clinical and parasitic cure rates. Permethrin appeared to be better than gamma benzene hexachloride for clinical cure rates in two small trials but had no advantage in the largest trial (test for heterogeneity p< 0.001). Permethrin also appeared more effective in reducing itch persistance than gamma benzene hexachloride. There appeared to be no difference in clinical cure rates between crotamiton and gamma benzene hexachloride. Single trials assessed: the effectiveness of oral versus topical treatment (ivermectin versus benzyl benzoate); treatment vehicle (pork fat versus cold cream); and mass community treatment (ivermectin) but were too small to demonstrate an effect. No randomised trials of malathion were identified. Serious adverse drug reactions (including death and convulsions) have been reported in other studies of scabies drugs, most notably gamma benzene hexachoride and ivermectin. REVIEWER'S CONCLUSIONS: The evidence that permethrin is more effective than gamma benzene hexachloride is inconsistent. Permethrin appears to have less potential serious drugs reactions than gamma benzene hexachloride although this is not derived from trial data. More research is needed of the safety and effectiveness of ivermectin and malathion compared to permethrin, on community management, and on different regimes and vehicles for topical treatment.

Hexachlorocyclohexane↗
PubMed2001

[Bullous scabies and scabies-triggered bullous pemphigoid].

Two patients were admitted to our hospital with tense blisters on an erythematous base, typical for bullous pemphigoid. In both patients an infestation with Sarcoptes scabiei was diagnosed by dermatoscopy as well as histological examination. In one patient the clinical diagnosis of bullous pemphigoid could be confirmed by immunofluorescence microscopy, histopathology and a clinical relapse of bullous pemphigoid without scabies infestation. In the other patient no evidence for an autoantibody-mediated autoimmune blistering disease was found. We postulate that bullous scabies could develop after long persistency of the parasites leading to a specific immune response with activation of T helper type 2 (Th2) cells causing high levels of the cytokine interleukin 5 and then consecutively eosinophilia. Secretion of proteolytic enzymes near the basal membrane zone might explain the development of intraepidermal, often suprabasal blisters. In contrast, in the first patient the scabies infestation might have triggered a flare up of the underlying autoimmune disease. Comparison of our two patients demonstrates two entities: bullous pemphigoid triggered by scabies as a Koebner phenomenon and a bullous subtype of scabies mimicking bullous pemphigoid. Therefore both, scabies infestation triggering bullous pemphigoid and bullous pemphigoid-like scabies should be included in the differential diagnosis of vesicles, tense blisters and erythema, especially at an early clinical stage.

Administration, Oral↗
PubMed1991

[Hospital spread of scabies from an immunocompromised patient with Norwegian scabies].

Scabies was first found in a 71-year-old female who had been diagnosed as having leukemic transformation of primary myelofibrosis and had undergone treatment for the disease. She was admitted to the hospital in December 1986, because of abdominal fullness and a generalized subcutaneous tumor that proved to be myeloblastoma. For treatment of the underlying disease, the regimen of the combination of vindesine, cyclophosphamide, 6-mercaptopurine, and prednisolone was selected. She developed cardiac failure and fell into a coma one month after starting the anticancer therapy. She was put on artificial respiration and on additional steroid therapy as well. Dexamethasone was administrated at 16 mg/day. Since the myeloblastomas found on admission regressed, the steroid therapy was continued. She was in coma for a few days before her skin lesions turned red and formed a grayish crust in the lower abdominal region. Several days later, the doctor responsible for the treatment of this patient developed pruritus and exanthema on both arms, and soon many nurses in the same hospital-ward developed similar symptoms. At approximately the same time, the patient with myelofibrosis was diagnosed as having Norwegian scabies: the crusted skin lesions revealing many Sarcoptes scabiei mites. Two doctors (2/18), 17 nurses (17/19) and 3 other patients (3/51) were found to have contracted scabies, and we recognized the hospital spread of the infection. The first patient was isolated in a private room, and we avoided direct contact with her. The persons with scabies were treated with crotamiton liniment. The first scabies patient died of cardiac failure 1 month after falling into a coma.(ABSTRACT TRUNCATED AT 250 WORDS)

Aged↗
PubMed1993

[Epidemic outbreak of scabies related to a patient with human immunodeficiency virus infection and Norwegian scabies].

A patient with AIDS was admitted to our hospital because of pruritic and disabling erythroderma, it was treated with Lindane without improvement. Skin biopsy of a crusty lesion showed Sarcoptes scabiei hominis, and the diagnosis of Norwegian scabies was made. After a long and intensive treatment with several drugs, cure was achieved. In the following three months we detected 42 people with scabies, all in some relation with the index case. This feature of high contagiousness of Norwegian scabies in a constant, through the scanty literature we have found; and it is due to its diagnostic and therapeutic problems.

Acquired Immunodeficiency Syndrome↗
PubMed1982

Immuno-allergological aspects of scabies. A comparative study of spontaneous blastogenesis in the dermal infiltrates of common and hyperkeratotic scabies, allergic contact dermatitis and irritant dermatitis.

By means of planimetric analysis and determination of 3H-thymidine labelling indices of mononuclear cells infiltrating the dermis, it has been suggested that the cellular arm of the immune system is activated after infestation of the human host's skin by the scabies mite. Subtle modifications of host-parasite relationships may explain why a single pathogenetic agent (i.e. the scabies mite) is able to evoke such a wide range of clinical lesions in the host.

Dermatitis, Contact↗
PubMed1980

Keratotic scabies (Norwegian scabies): case reports and literature review.

Keratotic scabies (KS) (Norwegian scabies) is a rare variant of Sarcoptes scabeii infestation and is characterized by hyperkeratosis and crusting and by the presence of millions of mites in the horny layer of the skin. KS may be associated with underlying diseases, e.g. immune deficiency states and lymphoreticular disorders, or may occur in neglected or normal patients. We review the literature and present reports on 2 Black South African patients affected by KS. One was mentally defective; the other, submitted to extensive investigations, showed no abnormalities. This is, to the best of our knowledge, the first report of KS in South African Blacks.

Adolescent↗
PubMedDate not supplied

[The variability of the scabies mite Sarcoptes scabiei de Geer (Acariformes, Sarcoptidae) in relation to the epidemiology of scabies. 4. The variability of the mite population on a patient and its focal variability].

The authors analyze the individual variability of the agent of scabies in populations on individual patients and in foci of the disease. They define an elementary micropopulation and a focal population notions. A total of 763 females, collected from the hands of 100 patients with scabies were examined. The findings evidence that the degree of the chetoid covering joining in the mite females, assessed in grades, may be regarded as an indicator of the population status in the pathologic process. Grades II and III females predominate in the mite population on the patients during the initial period of the disease (up to a month), whereas in the course of a full-bloom process (over a month) Grades I and 0 females prevail. The attendant exo- and endogenous factors shift the grade composition of the females towards the higher grades whatever the length of the disease. A great variety of the females in focal populations evidences reinfection and continuity of the process.

Animals↗
PubMed1993

Localized bullous scabies. Uncommon presentation of scabies.

A previously unreported form of localized bullous scabies mimicking bullous pemphigoid is described. The patient presented with a localized, severely pruritic erythematous plaque with a cutaneous eruption consisting of several papules and a single tense bulla on an erythematous base. The histologic findings consisted of a subepidermal inflammatory bullous dermatosis with lymphocytes, neutrophils, and many eosinophils, and the results of direct immunofluorescence were negative. Correlation of the clinical course with the histologic and immunofluorescence findings were necessary to establish the diagnosis of infestation by Sarcoptes scabiei.

Aged↗
PubMed1991

[Experiences with ivermectin in exotic animals: scabies in camelids (Camelus bactrianus, Lama guanicoe, L. glama) and scabies and roundworms in bears (Thalarctos maritimus and Ursus arctos)].

For the control of scabies in tylopodes (L. bactrianus, L. guanicoe, L. glama) and brown bears 0.2 mg/kg body weight (1 ml/50 kg body weight) of Ivermectin subcutaneously injected proved to be remedy of choice. In Kodiak-bears the oral application of Ivomec-solution was effective against ascariasis, not, however, in polar bears. Sufficient effect was reached only once, whereas Equalan-paste proved to be highly effective. Despite of strong hygienic measures continous follow-up treatment for the prevention of re-invasion is indispensible.

Animals↗