Physical urticaria

Other Reactions from Gloves

Published in Robert N. Phalen, Howard I. Maibach, Protective Gloves for Occupational Use, 2023

Pressure urticaria, a form of physical urticaria, is either localized at the stimulus site (contact type) or associated with distant reactions, such as hypotension, tachycardia, tickle, or pruritus of the nose or fingertips (reflex type).9 Atopy is frequently absent, and lesions do not occur at night. Pressure urticaria arises after a single stimulus, and the skin reaction is not a typical wheal but rather a reddened, deeper, sometimes painful swelling of the angioedema type. Urticarial dermographism may be associated with pressure urticaria. Pressure urticaria and urticarial dermographism can be classified as immediate (3–30 minutes) or delayed (2–6 h) types.9,87

Characteristics of a low-cost cold atmospheric plasma and its application

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Journal Information

Published in Journal of the Chinese Institute of Engineers, 2019

Ching-Hsiang Chien, Dong-Yea Sheu

Cold urticaria is a kind of physical urticaria, and, until now, the exact causal mechanism has been largely unknown. The main symptoms of cold urticaria are redness and itching of the skin, and sometimes a whole-body (systemic) reaction is present. In this study, plasma irradiation for human (the author’s) skin was carried out, as shown in Figure 9. Figure 9(a) shows the method used to perform skin irradiation and Figure 9(b) shows pictures of the handheld plasma source device. The airflow rate was 5 L/min, and the distance was varied from 5 mm to 20 mm, measured from the outlet to the skin surface.

Physical urticaria

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Other Reactions from Gloves

Characteristics of a low-cost cold atmospheric plasma and its application