noun. an itchy skin eruption characterized by weals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs.
- nettle rash
- skin rash
Example sentences of the word urticaria
1. Noun, plural
Horses can get hives, or urticaria, at any time of the year, though it is more prevalent in the summer months.
2. Noun, singular or mass
Recent studies suggest a connection between low levels of vitamin B-12 and a form of urticaria for which a cause has not yet been identified.
Berries are high in two of the natural food chemicals that can trigger urticaria: saliclylates and amines.