(medicine) Itchy, swollen, red areas of the skin which can appear quickly in response to an allergen or other conditions.

Causing itching or stinging.

Such a substance.

plural of urticant

plural of urticaria

(pathology) The development of urticaria (hives). / The sensation of being stung by nettles. / (medicine) Beating the skin with nettles (formerly used to treat paralysis).

To have or produce a stinging sensation, as of nettles or urticating hair.

Marked by the presence of wheals.

Of or pertaining to a natural order of plants, Urticaceae, of which the nettle is the type.

simple past tense and past participle of urticate