Human Reactions To Urticating Hair Contact
In humans a defensive cloud of urticating hairs can cause allergic skin reactions which can manifest as inflammation, rash and/or itching. The reactions can last for several hours or days. A chemical influence upon the skin and mucous membranes explains the different reactions of people to urticating hairs (Rick West, 2002).
It seems likely the hairs cause an accumulative reaction in people.
A solution of 2–2.5% hydrocortisone cream applied to the affected area may help relieve the symptoms.
A more serious consequence is urticating hair in the eyes. Ophthalmia nodosa, an irritation reaction, can result when the barbed hairs lodge in the cornea. In this case it is necessary to immediately wash the eye thoroughly with copious amounts of cold water and see an ophthalmologist. Handlers are advised to wear eye protection.
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