Urticaria

Source:http://linkedlifedata.com/resource/umls/id/C0042109

MSH: A vascular reaction of the skin characterized by erythema and wheal formation due to localized increase of vascular permeability. The causative mechanism may be allergy, infection, or stress.,CSP: usually transient vascular reaction involving the upper dermis, representing local edema caused by dilation and increased permeability of the capilliaries and the development of wheals.,MEDLINEPLUS: <p>Hives are red and sometimes itchy bumps on your skin. An <a href='http://www.nlm.nih.gov/medlineplus/allergy.html'>allergic reaction</a> to a drug or food usually causes them. Allergic reactions cause your body to release chemicals that can make your skin swell up in hives. People who have other allergies are more likely to get hives than other people. Other causes include infections and stress.</p><p>Hives are very common. They usually go away on their own, but if you have a serious case, you might need medicine or a shot. In rare cases, allergic reactions can cause a dangerous swelling in your airways, making i

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