Allergic contact dermatitis caused by triethanolamine in an ultrasound gel.

Contact allergy to ultrasound gel is rare, and most of the cases were associated with propylene glycol, parabens, isothiazolinones, and methyldibromo glutaronitrile in Euxyl K 400.[[3]] Patch tests with sensitized patients' triethanolamine-containing preparations are frequently negative. Therefore, it is advisable to test the components of the ultrasound gel, including emulsifiers, to the extent possible, in patients with suspected ultrasound gel-related contact dermatitis. [Extracted from the article]