Contact and photocontact sensitivity problems associated with thiourea and its derivatives: a review of the literature and case reports. 1987

A Dooms-Goossens, and M T Chrispeels, and H De Veylder, and R Roelandts, and L Willems, and H Degreef

Thiourea and its derivatives have been widely used in industry since the beginning of this century, but it was only in the late 1960s that reports of cases of contact dermatitis to these compounds began to appear in the literature. This literature is reviewed. We have observed eight cases of diphenylthiourea sensitivity in patients sensitive to adhesive tape. Four cases are presented of sensitivity to thiourea compounds in diazo-sensitized paper. Three of these patients were contact allergic to dimethylthiourea, and the other was contact and photocontact allergic to thiourea. These skin problems were mainly induced by airborne contact.

UI MeSH Term Description Entries
D008297 Male Males
D009783 Dermatitis, Occupational A recurrent contact dermatitis caused by substances found in the work place. Occupational Dermatitis,Dermatosis, Industrial,Industrial Dermatosis,Dermatitides, Occupational,Dermatoses, Industrial,Industrial Dermatoses,Occupational Dermatitides
D010787 Photosensitivity Disorders Abnormal responses to sunlight or artificial light due to extreme reactivity of light-absorbing molecules in tissues. It refers almost exclusively to skin photosensitivity, including sunburn, reactions due to repeated prolonged exposure in the absence of photosensitizing factors, and reactions requiring photosensitizing factors such as photosensitizing agents and certain diseases. With restricted reference to skin tissue, it does not include photosensitivity of the eye to light, as in photophobia or photosensitive epilepsy. Actinic Reticuloid Syndrome,Dermatitis, Actinic,Photodermatitis,Chronic Actinic Dermatitis,Photosensitization,Actinic Dermatitides,Actinic Dermatitides, Chronic,Actinic Dermatitis,Actinic Dermatitis, Chronic,Actinic Reticuloid Syndromes,Chronic Actinic Dermatitides,Dermatitides, Actinic,Dermatitides, Chronic Actinic,Dermatitis, Chronic Actinic,Disorder, Photosensitivity,Disorders, Photosensitivity,Photodermatitides,Photosensitivity Disorder,Reticuloid Syndrome, Actinic,Reticuloid Syndromes, Actinic,Syndrome, Actinic Reticuloid,Syndromes, Actinic Reticuloid
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
D013890 Thiourea A photographic fixative used also in the manufacture of resins. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance may reasonably be anticipated to be a carcinogen (Merck Index, 9th ed). Many of its derivatives are ANTITHYROID AGENTS and/or FREE RADICAL SCAVENGERS.

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