RT Book, Section A1 Hardin, J. Matthew A2 Knoop, Kevin J. A2 Stack, Lawrence B. A2 Storrow, Alan B. A2 Thurman, R. Jason SR Print(0) ID 1181044012 T1 Urticaria And Dermatographism T2 The Atlas of Emergency Medicine, 5e YR 2021 FD 2021 PB McGraw-Hill PP New York, NY SN 9781260134940 LK accessmedicine.mhmedical.com/content.aspx?aid=1181044012 RD 2024/03/29 AB Acute urticaria develops over days to weeks and presents with transient wheals. Generally, acute urticaria resolves within 6 weeks, whereas chronic urticaria lasts longer. Common triggers include medications (penicillin, aspirin, and NSAIDs), foods (chocolate, shellfish, nuts, eggs, milk, and others) infections (streptococcal, hepatitis B and C, mononucleosis, and helminths), and physical factors (exercise, pressure, cold, vibratory, and solar induced).