Contact dermatitis to methylisothiazolinone. 2015

Maria Antonieta Rios Scherrer, and Vanessa Barreto Rocha, and Ana Regina Coelho Andrade
Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.

Methylisothiazolinone (MI) is a preservative found in cosmetic and industrial products. Contact dermatitis caused by either methylchloroisothiazolinone/methylisothiazolinone (MCI/MI or Kathon CG) or MI has shown increasing frequency. The latter is preferably detected through epicutaneous testing with aqueous MI 2000 ppm, which is not included in the Brazilian standard tray. We describe a series of 23 patients tested using it and our standard tray. A case with negative reaction to MCI/MI and positive to MI is emphasized.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010328 Patch Tests Skin tests in which the sensitizer is applied to a patch of cotton cloth or gauze held in place for approximately 48-72 hours. It is used for the elicitation of a contact hypersensitivity reaction. Patch Testing,Patch Test,Patch Testings,Test, Patch,Testing, Patch,Testings, Patch,Tests, Patch
D011310 Preservatives, Pharmaceutical Substances added to pharmaceutical preparations to protect them from chemical change or microbial action. They include ANTI-BACTERIAL AGENTS and antioxidants. Pharmaceutic Aids (Preservatives),Pharmaceutic Preservative,Pharmaceutic Preservatives,Pharmaceutical Preservative,Pharmaceutical Preservatives,Preservative, Pharmaceutic,Preservative, Pharmaceutical,Preservatives, Pharmaceutic
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D003358 Cosmetics Substances intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering the appearance without affecting the body's structure or functions. Included in this definition are skin creams, lotions, perfumes, lipsticks, fingernail polishes, eye and facial makeup preparations, permanent waves, hair colors, toothpastes, and deodorants, as well as any material intended for use as a component of a cosmetic product. (U.S. Food & Drug Administration Center for Food Safety & Applied Nutrition Office of Cosmetics Fact Sheet (web page) Feb 1995) Personal Care Products,Care Product, Personal,Care Products, Personal,Personal Care Product,Product, Personal Care,Products, Personal Care
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013844 Thiazoles Heterocyclic compounds where the ring system is composed of three CARBON atoms, a SULFUR and NITROGEN atoms. Thiazole

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