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PubMed2004

Itraconazole in the treatment of seborrheic dermatitis: a new treatment modality.

BACKGROUND: Due to the high rate of recurrence, seborrheic dermatitis (SD) represents a therapeutic problem. AIM: To evaluate the role of oral itraconazole in the treatment of SD. PATIENTS AND METHODS: Thirty-two patients with SD were enrolled in the study. All topical and oral treatments were stopped. The patients applied 1% hydrocortisone cream twice daily for 1 month. In addition, they took itraconazole, 200 mg/day, during the first week of the first month and then hydrocortisone cream was stopped and itraconazole (200 mg/day) was given on the first 2 days of the following 11 months. The patients were followed for 2 months without medicine. The severity score was measured at the initial evaluation, and at the first, 12th, and 14th months. RESULTS: Twenty-eight patients completed the study. There was a statistically significant decrease in the mean severity score at the first, 12th, and 14th months. On the final evaluation at the 12th month, 19 of the 28 patients showed a complete improvement, and three patients showed a slight improvement. CONCLUSIONS: This study indicates that itraconazole plays an important role in the treatment of SD.

Adolescent↗
PubMed1988

An unfortunate complication of self-therapy for seborrheic dermatitis.

The death of a young boy who practiced self-therapy of seborrheic dermatitis of the scalp is reported. Practitioners should be aware that peer pressure in today's teenage society, coupled with misinterpretation of therapeutic protocols, may result in the application of unorthodox treatment regimens.

Adolescent↗
PubMed2003

[Seborrheic dermatitis--clinical diagnosis and therapeutic value of different drugs].

Seborrheic dermatitis (SD) is a disease characterized by erythema and accompanied by greasy scale in the seborrheic region. The mechanism by which the disease occurs is still unknown. The genus Malassezia is involved in aggravating SD. Objective diagnosis of SD has yet been established. Atopic dermatitis and psoriasis or contact dermatitis are often confused with SD. One method to differentiate SD from other skin diseases is direct microscopic examination. Mild corticosteroids are effective in treatment of this condition, although, many cases recur within a few days. Antifungal agents are also effective in the treatment of SD by reducing the number of spores, which results in prolongation of the time to recurrence. It is my recommendation that antifungal agents be the first choice of therapy.

Antifungal Agents↗
PubMed1992

Treatment with bifonazole shampoo for seborrhea and seborrheic dermatitis: a randomized, double-blind study.

Forty-four patients with seborrhea and seborrheic dermatitis of the scalp were treated with either bifonazole shampoo (22 patients) or the vehicle shampoo (22 patients) in a randomized, double-blind vehicle-controlled study. The patients were instructed to wash their scalps 3 times weekly for 6 weeks and were examined every 3 weeks. Responses were evaluated by clinicians using a clinical grading of scaling, erythema and overall improvement, and also by the patients, who assessed pruritus and overall improvement, using a scale of 0 to 3. The improvement following the bifonazole shampoo was found to be significantly greater than that achieved with the vehicle shampoo in regard to the clinical evaluation of scaling (p = 0.01) as well as patient evaluation of pruritus (p = 0.008) and overall improvement (p = 0.03). No major adverse side effects were recorded.

Adolescent↗
PubMedDate not supplied

Malassezia furfur in infantile seborrheic dermatitis.

Our objective was to study both incidence and various strains of Malassezia in infantile seborrheic dermatitis (ISD). Sixty infants between 2 weeks and 2 years old with clinical diagnosis of ISD at the Department of Pediatrics, King Chulalongkorn Memorial Hospital from May 2002 to April 2003 were recruited. Malassezia spp. were isolated from cultured skin samples of the patients, genomic DNA was extracted and the ITS1 rDNA region was amplified. The PCR product was examined by agarose gel electrophoresis and DNA sequences were determined. The ITS1 sequences were also subjected to phylogenetic analysis and species identification. ISD is most commonly found in infants below the age of 2 months (64%), followed by those between 2 and 4 months (28%) old. Cultures yielded yeast-like colonies in 15 specimens. PCR yielded 200-bp products (Candida) in 3 patients and 300-bp products (Malassezia furfur) in 12 patients (18%). Sugar fermentation using API 20C aux performed on the three 200-bp PCR products yielded Candida species. M. furfur was the only Malassezia recovered from skin scrapings of children with ISD.

Candida↗
PubMed2005

Three etiologic facets of dandruff and seborrheic dermatitis: Malassezia fungi, sebaceous lipids, and individual sensitivity.

Application of new molecular and biochemical tools has greatly increased our understanding of the organisms, mechanisms, and treatments of dandruff and seborrheic dermatitis. Dandruff results from at least three etiologic factors: Malassezia fungi, sebaceous secretions, and individual sensitivity. While Malassezia (formerly P. ovale) has long been a suspected cause, implicated by its presence on skin and lipophylic nature, lack of correlation between Malassezia number and the presence and severity of dandruff has remained perplexing. We have previously identified the Malassezia species correlating to dandruff and seborrheic dermatitis. In this report, we show that dandruff is mediated by Malassezia metabolites, specifically irritating free fatty acids released from sebaceous triglycerides. Investigation of the toxic Malassezia free fatty acid metabolites (represented by oleic acid) reveals the component of individual susceptibility. Malassezia metabolism results in increased levels of scalp free fatty acids. Of the three etiologic factors implicated in dandruff, Malassezia, sebaceous triglycerides, and individual susceptibility, Malassezia are the easiest to control. Pyrithione zinc kills Malassezia and all other fungi, and is highly effective against the Malassezia species actually found on scalp. Reduction in fungi reduces free fatty acids, thereby reducing scalp flaking and itch.

Case-Control Studies↗
PubMed1991

Seborrheic dermatitis and daylight.

Patients with mood depression have been found to have a higher prevalence of seborrheic dermatitis (SD), possibly related to their tendency to live indoors. The prevalence of outpatients with SD has now been found to be directly related to the number of gloomy days in the area. Since UV light might not be the only reason for the well-known improvement in SD in summer, an explanation possibly related to melatonin is envisaged.

Dermatitis, Seborrheic↗
PubMed2003

Prediagnostic human T lymphotropic virus type I provirus loads were highest in Jamaican children who developed seborrheic dermatitis and severe anemia.

In a recent clinical analysis of 308 Jamaican children, human T lymphotropic virus type I (HTLV-I) infection was found to be associated with significantly higher incidence rates of seborrheic dermatitis, eczema, and persistent hyperreflexia of the lower limbs and with nonsignificantly increased rates of severe anemia and abnormal lymphocytes. Results of examination of HTLV-I viral markers in the 28 HTLV-I-infected children provided virologic support for the epidemiologic associations of HTLV-I with seborrheic dermatitis and severe anemia in childhood.

Anemia↗
PubMed1991

Blood levels of vitamin E, polyunsaturated fatty acids of phospholipids, lipoperoxides and glutathione peroxidase in patients affected with seborrheic dermatitis.

Plasma levels of vitamin E (Vit E) and polyunsaturated fatty acids of phospholipids (PUFA-PL) as well as erythrocyte glutathione peroxidase (GSH-Px) activity are significantly lower (P less than 0.001) in patients with seborrheic dermatitis (SD). both HIV seropositive or HIV sero-negative, than in control subjects. No differences are found between HIV sero-positive and sero-negative individuals with SD. The deficiency of PUFA-PL (mainly C20: 3 n-6, C20: 4 n-6 and C22: 6 n-3) which is accompanied by a significant increase of saturated palmitic and stearic acids (P less than 0.001), does not appear to be associated with an active lipoperoxidative process in the plasma. The significant blood deficiency of Vit E, GSH-Px, and particularly of PUFA-PL, may play a pathogenetic role in seborrheic dermatitis.

Adult↗
PubMed2001

Generalized seborrheic dermatitis in an immunodeficient newborn.

We report the case of a female infant with failure to thrive, generalized seborrheic dermatitis, and intermittent diarrhea. Results of laboratory investigation revealed low serum immunoglobulin G IgG levels. She failed to gain additional weight and experienced recurrent infection. She died 3 months later.

Dermatitis, Seborrheic↗
PubMed1999

Is there a relation between risk groups or initial CD4 T cell counts and prevalence of seborrheic dermatitis in HIV-infected patients?

OBJECTIVES: (i) To investigate whether there is a difference in the prevalence of seborrheic dermatitis (SD) between homo- or bisexual HIV-infected patients and HIV-infected intravenous drug users, (ii) to study whether the initial CD4 T cell count at the first positive HIV test is of any significance for the prevalence of SD and furthermore to analyze whether (iii) antiretroviral treatment influences the prevalence and time course of SD. PATIENTS AND METHODS: Since 1992 we have been following, within the scope of the Swiss HIV Cohort Study, a group of individuals with proven HIV infection. In this study all HIV-infected patients belonging either to the risk group of homo- or bisexuals or that of intravenous drug users were included for further analysis. RESULTS: We included 226 men and 51 women. The ages ranged from 17 to 68 years (mean 30.1). One hundred and forty-four were homo- or bisexual men and 133 (82 men and 51 women) were intravenous drug users. Out of these 277 HIV-infected patients, 66 (23.8%) had SD at baseline and 7 (2.5%) developed SD during the observation period (male:female = 68:5). CONCLUSION: In our study we found that (i) the risk group influences the prevalence and time course of SD, yet that (ii) neither the initial CD4 T cell count nor (iii) antiretroviral treatment is of any significance.

Adolescent↗
PubMed2004

Oral candidiasis and seborrheic dermatitis in HIV-infected patients on highly active antiretroviral therapy.

BACKGROUND: Mucocutaneous manifestations such as oral candidiasis (OC) and seborrheic dermatitis (SD) are very common HIV-related opportunistic events and are usually initial markers of immunodeficiency. AIM: The purpose of this study was to evaluate the efficacy of highly active antiretroviral therapy (HAART) in the regression of HIV-associated OC and SD. METHODS: In a prospective study, 120 HIV-infected patients with OC and SD were divided into two groups: HAART-treated patients (group 1, n=76) and non-HAART-treated patients (group 2, n=44). Non-HAART-treated patients were given antimicrobial therapy. Study subjects were matched for sex, age, risk, and stage of HIV infection. The results were analysed by chi2 test and the Kaplan-Meier method. RESULTS: At baseline, OC was evident in 59 (77.7%) of the HAART-treated patients and in 34 (77.3%) of the non-HAART-treated patients, while SD was present in 19 (25.0%) of the HAART-treated patients and in 17 (38.6%) of the non-HAART-treated patients. After a median follow-up period of 22 months, regression of OC and SD occurred in 49 (83.1%) and 16 (84.2%) of the HAART-treated patients, respectively. In the control group, regression of OC and SD occurred in only five (14.7%) and seven (41.2%) patients, respectively, during the same period. CONCLUSIONS: HAART showed greater efficacy than standard antimicrobial therapy for the treatment of OC and SD in HIV-infected patients.

AIDS-Related Opportunistic Infections↗
PubMed2005

The role of sebaceous gland activity and scalp microfloral metabolism in the etiology of seborrheic dermatitis and dandruff.

Most common scalp flaking disorders show a strong correlation with sebaceous gland (SG) activity. Early SG activity in the neonate results in microfloral colonization and cradle cap. After maternal hormonal control subsides, there is little SG activity until puberty, when the SG turns on under sex hormone control. When the SG activity increases, the present but low Malassezia population has a new food source and proliferates, resulting in the scalp itching and flaking common to greater than 50% of adults. Dry scalp flaking, dandruff, and seborrheic dermatitis are chronic scalp manifestations of similar etiology differing only in severity. The common etiology is a convergence of three factors: (1) SG secretions, (2) microfloral metabolism, and (3) individual susceptibility. Dandruff and seborrheic dermatitis (D/SD) are more than superficial stratum corneum disorders, including alteration of the epidermis with hyperproliferation, excess lipids, interdigitation of the corneal envelope, and parakeratosis. The pathogenic role of Malassezia in D/SD has recently been elucidated, and is focused on their lipid metabolism. Malassezia restricta and M. globosa require lipids. They degrade sebum, free fatty acids from triglycerides, consume specific saturated fatty acids, and leave behind the unsaturates. Penetration of the modified sebaceous secretions results in inflammation, irritation, and scalp flaking.

Dermatitis, Seborrheic↗
PubMedDate not supplied

Four cases of sebopsoriasis or seborrheic dermatitis of the face and scalp successfully treated with 1a-24 (R)-dihydroxycholecalciferol (tacalcitol) cream.

A 71-year-old woman visited our clinic due to the presence of widespread scaly erythema on her face, scalp, and lower extremities. She was tentatively diagnosed as having seborrheic dermatitis but the symptoms were difficult to distinguish from psoriasis vulgaris. As a result, she was diagnosed as having sebopsoriasis. She was treated topically with an active vitamin D3 compound, 1a-24 (R)-dihydroxycholecalciferol D3 (tacalcitol) cream. She applied tacalcitol cream twice daily for 4 weeks, and her facial eruptions thus cleared up completely. No recurrence was observed for 2 months thereafter, even though the use of tacalcitol cream was stopped. To investigate whether or not tacalcitol cream is generally effective for the treatment of such seborrheic dermatitis-like eruptions, three more patients were treated with tacalcitol cream. All patients exhibited scaly erythematous macules on the face and/or scalp, and their eruptions improved rapidly with tacalcitol cream. Tacalcitol cream was thus found to be effective and useful for the treatment of both sebopsoriasis and even seborrheic dermatitis of the face and scalp.

Administration, Topical↗
PubMed2004

Prescribing practices for seborrheic dermatitis vary with the physician's specialty: implications for clinical practice.

The prescribing practices of different medical specialties (dermatology, family medicine, pediatrics and other) for seborrheic dermatitis were analyzed using the National Ambulatory Medical Care Survey (NAMCS). The frequency of use of various antifungal and anti-inflammatory medications was found to differ greatly between specialties, with the greatest difference being seen between dermatologists (who frequently prescribe the antifungal ketoconazole) and non-dermatologists (who most frequently prescribe corticosteroids).

Adolescent↗