What does it mean if i have urticaria?

Aka hives...: If you have urticaria, you have some form of allergic reaction. There are many different things that bring on the itchy skin patches. Viral infectios(most common in children); medication, food, environmental, etc...Allergies; internal autoimmune, physical factors(exercise, hot or cold exposure, scratching and others), rarely hidden internal tumors or autoimmune conditions can cause you to react.

Hives: Urticaria is the medical term for hives. Usually, an itchy rash with raised red spots. Often it's caused by an allergic reaction but can also be from having an infection etc. An allergist can test you for possible causes and treatments.

Hives: Urticaria is simply the medical term for hives. It can be classified as acute (short term) or chronic (greater than ~6 weeks). Acute urticaria could be due to (but not limited) to allergic or infectious in nature. In contrast, chronic daily hives are not typically due to an external allergy.