urticaria

Nettle-rash; uredo; hives.

The nettle rash, a disease characterized by a transient eruption of red pimples and of wheals, accompanied with a burning or stinging sensation and with itching; uredo.

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

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