Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.
Tests and diagnosis
Itching, sneezing and swelling: Find out what's causing your allergy symptoms.
Feb. 07, 2014
- Freeman T. Bee, yellowjacket, wasp and hymenoptera stings: Reaction types and acute management. http://www.uptodate.com/home. Accessed July 5, 2013.
- Stinging insect allergy: Tips to remember. American Academy of Allergy, Asthma & Immunology. http://www.aaaai.org/conditions-and-treatments/library/allergy-library/stinging-insect-allergy.aspx. Accessed July 5, 2013.
- Skin emergencies. National Center for Farmworker Health. http://www.ncfh.org/pdfs/BilingualEd/PDF9.pdf. Accessed July 5, 2013.
- What to do in a medical emergency: Bites and stings. American College of Emergency Physicians Foundation. http://www.emergencycareforyou.org/EmergencyManual/WhatToDoInMedicalEmergency/Default.aspx?id=210#spider_bites_and_scorpion_stings. Accessed July 4, 2013.
- Tintinalli JE, et al. Tintinalli's Emergency Medicine: A Comprehensive Study Guide. 7th ed. New York, N.Y.: The McGraw Hill Companies; 2011. http://www.accessmedicine.com/resourceTOC.aspx?resourceID=40. Accessed July 5, 2013.
- Tracy JM. Diagnosis of hymenoptera venom allergy. http://www.uptodate.com/home. Accessed July 5, 2013.
- Bee stings: Safety. U.S. Department of Agriculture. http://www.ars.usda.gov/research/docs.htm?docid=11067&page=1. Accessed July 5, 2013.
- Simons FER. Anaphylaxis. Journal of Allergy and Clinical Immunology. 2010;125:S161.
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