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lawsonia inermis/hypersensitivity
Линкът е запазен в клипборда
Страница 1 от 150 резултата
A 10-year review of p-phenylenediamine allergy and related para-amino compounds at the Ottawa Patch Test Clinic.
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BACKGROUND
p-Phenylenediamine (PPD) is an important allergen; 5.0% of patients tested positive to PPD when patch-tested, according to the North American Contact Dermatitis Group. Hair dyes are the main source of exposure.
OBJECTIVE
To assess the significance of PPD allergy at the Ottawa Patch Test
[Para-phenylenediamine allergic contact dermatitis due to henna tattoos in a child and adolescent population].
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BACKGROUND
Henna tattoos are a very common practice in the adolescent population. Henna is very often admixed with para-phenylenediamine (PPDA) to improve the appearance of the tattoo. PPDA is a potent allergen, and is a frequent cause of allergic contact dermatitis (ACD).
METHODS
A study was
Allergic contact dermatitis to temporary tattoo by p-phenylenediamine.
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Temporary tattoos are widely applied today all over the world. The tattoo makers explain that they use "natural henna paint," although in fact they use "black henna," which includes a mixture of many substances, among them p-phenylenediamine (PPD). There have recently been many reports of allergic
Contact dermatitis from a presumed allergy to paraphenylenediamine.
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Paraphenylenediamine (PPD) is a potent skin allergen found in permanent hair dye and temporary henna tattoo ink. Several cases of adverse skin reactions to PPD have been reported in the literature. Here we present a case involving a patient who acquired a temporary tattoo while vacationing in Mexico
Acute allergic contact dermatitis due to para-phenylenediamine after temporary henna painting.
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The use of temporary natural henna painting for body adornment and hair dyeing is very common in several countries of the Indian subcontinent, Middle East, and North Africa, and the fad is spreading in other parts of the world. Several cases of para-phenylenediamine (PPD) contaminated, temporary
[The expanding role of occupational and non-occupational allergy to paraphenylenediamine].
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Paraphenylenediamine (PPD) is a strongly sensitizing aromatic amine, which is used in hair, furs and leather dying. It is also included in temporary henna tattoos. Using those tattoos and hair dying has recently become fashionable not only among grown-up women but also among grown-up men, teenagers
Allergic contact dermatitis: clinical features and profile of sensitizing allergens in Riyadh, Saudi Arabia.
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BACKGROUND
No reports are available on allergic contact dermatitis in Saudi Arabia, although it seems to be a common skin problem. We attempted to explore certain clinical aspects in addition to the profile of sensitizing allergens in our area. As no standard panel for patch testing is available in
Allergic contact dermatitis from temporary henna tattoo.
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Temporary henna tattooing has been very popular during recent years. Henna (Lawsonia inermis) is a plant from the Lythraceae family. For henna tattooing, henna dye is used. It is a dark green powder, made from the leaves of the plant, used for hair dyeing and body tattooing. Very often,
Allergic contact dermatitis to pure henna.
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Henna is a naturally occurring brown dye made from the leaves of the tree Lawsonia inermis. The active ingredient of henna is lawsone (2-hydroxy-1, 4-naphthoquinone). It is traditionally used in Islamic and Hindu cultures as a hair coloring and as a dye for decorating the nails or making temporary
Allergic contact dermatitis to para-phenylenediamine in a tattoo: a case report.
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It is highly popular among children and young adults to have temporary henna tattoos on their bodies in different colors and figures. Henna is a greenish natural powder obtained from the flowers and dry leaves of Lawsonia alba plant and its allergenicity is very low. Henna is also used in
Hypersensitivity reactions due to black henna tattoos and their components: are the clinical pictures related to the immune pathomechanism?
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Hypersensitivity to para-phenylenediamine (PPD) and related compounds induced by temporary black henna tattoos has become a serious health problem worldwide. Different patterns of sensitization with various clinical aspects are described in literature due to PPD associated to henna tattoo and these
Allergic contact dermatitis to plant extracts in cosmetics.
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Topically applied cosmetics and medicaments containing botanical extracts are commonly used. Despite popular beliefs of their benignancy, some botanicals have been implicated in causing allergic contact dermatitis in susceptible patients. The offending allergen may be the botanical extract itself or
Allergic Contact Dermatitis Due to Paraphenylenediamine: An Update.
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Paraphenylenediamine (PPD) is an amine that is mainly used as an ingredient in hair dyes and henna tattoos. The incidence of allergic contact dermatitis to PPD is increasing, particularly in younger patients. In this article, we review the main sources of PPD and the substances with which it can
Para-phenylenediamine allergy: current perspectives on diagnosis and management.
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Para-phenylenediamine (PPD) is the commonest and most well-known component of hair dyes. Oxidative hair dyes and dark henna temporary tattoos contain PPD. Individuals may be sensitized to PPD by temporary henna tattooing in addition to dyeing their hair. PPD allergy can cause severe reactions and
Allergies associated with body piercing and tattoos: a report of the Allergy Vigilance Network.
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Body piercing and tattooing are increasingly common. As well as the risk of infection and scarring, allergic reactions are also reported. This is the first multi-centre study to assess the frequency of consultations for allergy. Of the 138 allergologists who answered our two questionnaires, 7.9%
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