Hives and angioedema

Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.

Nausea and vomiting


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

Allergy skin tests

Itching, sneezing and swelling: Find out what's causing your allergy symptoms.

Treatments and drugs

Insect bites and stings: First aid

Oct. 04, 2016
  1. Freeman T. Bee, yellowjacket, wasp and hymenoptera stings: Reaction types and acute management. Accessed July 18, 2016.
  2. Stinging insect allergy. American Academy of Allergy, Asthma & Immunology. Accessed July 18, 2016.
  3. Simons FER. Anaphylaxis. Journal of Allergy and Clinical Immunology. 2010;125:S161.
  4. Bites and stings. American College of Emergency Physicians. Accessed July 18, 2016.
  5. Marx JA, et al., eds. Venomous animal injuries. In: Rosen's Emergency Medicine: Concepts and Clinical Practice. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2014. Accessed July 18, 2016.
  6. Campbell RL, et al. Anaphylaxis: Emergency treatment. Accessed July 18, 2016.
  7. Golden DBK. Stinging insect allergy. American Family Physician. 2003;67:2541.
  8. Casale TB, et al. Hymenoptera-sting hypersensitivity. New England Journal of Medicine. 2014;370:1432.