Allergic contact dermatitis to propyl gallate and pentylene glycol in an emollient cream. 2010

Caterina Foti, and Domenico Bonamonte, and Nicoletta Cassano, and Anna Conserva, and Gino A Vena
Department of Internal Medicine, Immunology and Infectious Diseases, Dermatology Clinic, University of Bari, Bari, Italy. c.foti@dermatologia.uniba.it

A 62-year-old man, with a 20-year history of seborrhoeic dermatitis, presented with a worsening of his dermatitis. He had previously been demonstrated to be allergic to various topical corticosteroids, so he had been using an emollient cream (Sebclair), containing piroctone olamine and various anti-inflammatory substances, for 6 months, with good effect. Patch testing to the cream and its ingredients revealed positive reactions to both propyl gallate and pentylene glycol. A positive reaction to propylene glycol was also detected, whereas patch testing to butylene glycol was negative. Complete remission followed avoidance of the offending substances.

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
D010420 Pentanes Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Isopentanes
D011435 Propyl Gallate Antioxidant for foods, fats, oils, ethers, emulsions, waxes, and transformer oils. Gallate, Propyl
D011728 Pyridones Pyridine derivatives with one or more keto groups on the ring. Pyridinones
D004338 Drug Combinations Single preparations containing two or more active agents, for the purpose of their concurrent administration as a fixed dose mixture. Drug Combination,Combination, Drug,Combinations, Drug
D004643 Emollients Oleagenous substances used topically to soothe, soften or protect skin or mucous membranes. They are used also as vehicles for other dermatologic agents. Emollient
D004983 Ethanolamines AMINO ALCOHOLS containing the ETHANOLAMINE; (-NH2CH2CHOH) group and its derivatives. Aminoethanols
D005500 Follow-Up Studies Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. Followup Studies,Follow Up Studies,Follow-Up Study,Followup Study,Studies, Follow-Up,Studies, Followup,Study, Follow-Up,Study, Followup

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