• A Barbaud, M Vigan, J-L Delrous, H Assier, M Avenel-Audran, E Collet, A Dehlemmes, H Dutartre, C Géraut, P Girardin, C Le Coz, B Milpied-Homsi, A Nassif, A Pons-Guiraud, N Raison-Peyron, and Membres du Groupe du REVIDAL.
• Service de Dermatologie, Hôpital Fournier, Nancy. a.barbaud@chu-nancy.fr
• Ann Dermatol Vener. 2005 Dec 1; 132 (12 Pt 1): 962-5.

AimTo determine the clinical features of contact dermatitis caused by antiseptics and to ascertain whether the substance responsible is the antiseptic itself or the excipients.Patients And MethodsA multicenter, retrospective study based on analysis of all cases reported over a 2-year period to the Dermato-Allergology Vigilance network known as Revidal. Each dossier contained details of the clinical characteristics of lesions, the incriminated antiseptic, the mode of exposure and the results of patch tests done with the antiseptic in question.Results75 patients (mean age: 44 years) were sensitized to chlorhexidine (14 cases), hexamidine (20 cases), povidone iodine (14 cases), mercuric antiseptics (3 cases), triclocarban (Septivon, 17 cases), hexamidine-chlorhexidine-chlorocresol (Cytéal, 4 cases), or chlorhexidine surfactant (Hibiscrub), cetrimide or chlorhexidine digluconate (Diaseptyl) (1 case each). Exposure was therapy-related (68 cases), work-related (6 cases; 5 in health workers and 1 in a cattle farmer due to povidone-iodine) or related to cosmetics (1 case, hexamidine). The clinical features consisted mainly of localized contact dermatitis, although generalized eczema occurred in 9 cases due to hexamidine contact. Sensitization was due to the antiseptic itself (53 cases) or to the excipients alone (22 cases), particularly in the 17 cases caused by Septivon. In 27/75 cases (35%), patients exhibited polysensitization to antiseptics belonging to different chemical classes or to other topical drugs.ConclusionSensitization to antiseptics is probably not rare, with various sources of exposure being present in everyday life. Patch tests are essential for diagnosis in order to distinguish between antiseptic-related and excipient-related sensitization and to screen for polysensitization to topical drugs.

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