. "Itchy, raised red areas on the skin. Urticaria are caused by a reaction to certain foods, drugs, infections, or emotional stress.NCI-GLOSS" . "C3432"^^ . "Urticaria.FDA" . "Urticaria"^^ . "Urticaria"^^ . "HIVESSYFDA2278" . . "FDA"^^ . "Urticaria"^^ . "A disorder characterized by an itchy skin eruption characterized by wheals with pale interiors and well-defined red margins.CTCAE" . "CTCAE"^^ . "C0042109"^^ . "Patient Code (Appendix B)"^^ . . "UrticariaPTCTCAEE13746" . . "An itchy skin eruption characterized by wheals with pale interiors and well-defined red margins; usually the result of an allergic response to insect bites or food or drugs.NCI" . "UrticariaPTNCI" . "URTICARIAPTFDA2278" . "hivesPTNCI-GLOSSCDR0000641140" . "Disease or Syndrome"^^ . . "urticariaPTNCI-GLOSSCDR0000641139" . .