The welts that come with hives arise when certain cells release histamine and other chemicals into your bloodstream.
Doctors often can't identify the reason for this skin reaction, or why it sometimes turns into a long-term problem (chronic hives). But the skin reaction may be triggered by:
Jun. 13, 2014
- Pain medications
- Insects or parasites
- Heat or cold
- Alcohol, food or food additives
- Pressure on the skin, as from a tight waistband
- Hives. American Academy of Dermatology. http://www.aad.org/dermatology-a-to-z/diseases-and-treatments/e---h/hives. Accessed Jan. 29, 2014.
- Hives (urticaria). American College of Allergy, Asthma and Immunology. http://www.acaai.org/allergist/allergies/Types/skin-allergies/hives/Pages/default.aspx. Accessed Jan. 29, 2014.
- Khan DA. Chronic urticaria: Standard management and patient education. http://www.uptodate.com/home. Accessed Jan. 29, 2014.
- Goldsmith LA, et al., eds. Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=740. Accessed Jan. 29, 2014.
- Khan DA. Chronic urticaria: Treatment of refractory symptoms. http://www.uptodate.com/home. Accessed Feb. 3, 2014.
- Bolognia JL, et al. Dermatology. 3rd ed. Philadelphia, Pa.: Elsevier; 2012. http://www.clinicalkey.com. Accessed Jan. 29, 2014.
- Uysal P, et al. An algorithm for treating chronic urticaria with omalizumab: Dose interval should be individualized. Journal of Allergy and Clinical Immunology. In press. Accessed Jan. 30, 2014.
- Saini SS. Chronic spontaneous urticaria: Etiology and pathogenesis. Immunology and Allergy Clinics of North America. 2014;34:33.
- Kaplan A, et al. Omalizumab in patients with symptomatic chronic idiopathic/spontaneous urticaria despite standard combination therapy. Journal of Allergy and Clinical Immunology. 2013;132:101.
- Darlenski R, et al. Chronic urticaria as a systemic disease. Clinics in Dermatology. In press. Accessed Jan. 30, 2014.
- Ferri FF. Ferri's Clinical Advisor 2014: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2014. http://www.clinicalkey.com. Accessed Jan. 30, 2014.
- Casale TB. Omalizumab for chronic urticaria. Journal of Allergy and Clinical Immunology: In Practice. 2014;2:118.
- Khan DA. Alternative agents in refractory chronic urticaria: Evidence and considerations on their selection and use. Journal of Allergy and Clinical Immunology: In Practice. 2013;1:433.
- Metz M, et al. Omalizumab is an effective and rapidly acting therapy in difficult-to-treat chronic urticaria: A retrospective clinical analysis. Journal of Dermatological Science. 2014;73:57.
- Pizzorno JE, et al. Textbook of Natural Medicine. 4th ed. St. Louis, Mo.: Churchill Livingstone Elsevier; 2013. http://www.clinicalkey.com. Accessed Jan. 31. 2014.
- Sussman G, et al. Real-life experiences with omalizumab for the treatment of chronic urticaria. Annals of Allergy, Asthma and Immunology. In press. Accessed Jan. 31, 2014.
- Neuropsychiatric events with certain asthma drugs. FDA Patient Safety News: Show #89, August 2009. U.S. Food and Drug Administration. http://www.accessdata.fda.gov/scripts/cdrh/cfdocs/psn/printer.cfm?id=1050. Accessed Feb. 6, 2014.
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