Hives (Urticaria & Angioedema)

  • Medical Author:
    Gary W. Cole, MD, FAAD

    Dr. Cole is board certified in dermatology. He obtained his BA degree in bacteriology, his MA degree in microbiology, and his MD at the University of California, Los Angeles. He trained in dermatology at the University of Oregon, where he completed his residency.

  • Medical Editor: Melissa Conrad Stöppler, MD
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

Quick GuideRosacea, Acne, Shingles: Common Adult Skin Diseases

Rosacea, Acne, Shingles: Common Adult Skin Diseases

Are there other conditions that mimic hives?

There are other rashes that may look like hives, but the fact that they remain stable and do not resolve within 24 hours is helpful in distinguishing them from hives. Such rashes may need to have a small specimen of skin removed and examined under the microscope (biopsy) to accurately determine the nature of the skin disease.

When to visit the doctor

In rare cases, urticaria and angioedema are accompanied by a striking decrease in blood pressure (shock) and difficulty breathing. This is called anaphylaxis and may rapidly become a medical emergency. In this case, a visit to the emergency room or your doctor is necessary. Ordinary hives may be widespread and disturbing to look at, but the vast majority of cases of hives do not lead to life-threatening complications. Continue Reading

Reviewed on 2/22/2016
References
REFERENCES:

Bernstein, Jonathan A., et al. "The Diagnosis and Management of Acute and Chronic Urticaria: 2014 Update." J Allergy Clin Immunol 133.5 May 2014: 1270-1277.

Criado, Paulo Ricardo. "Chronic Urticaria in Adults: State-of-the-Art in the New Millennium." An Bras Dermatol 90.1 (2015): 74-89.

Fine, Lauren M., and Jonathan A. Bernstein. "Urticaria Guidelines: Consensus and Controversies in the European and American Guidelines." Curr Allergy Asthma Rep 15 (2015): 30.

Frigas, Evangelo, and Miguel A. Park. "Acute Urticaria and Angioedema." Am J Clin Dermatol 10.4 (2009): 239-250.

Langley, Emily W., and Joseph Gigante. "Anaphylaxis, Urticaria, and Angioedema." Pediatrics in Review 34 (2013): 247-258.

IMAGES:

1.iStock

2.iStock

3.iStock

4.iStock

5.Medscape

6.iStock

7.MedicineNet

8.iStock

9.iStock

10.iStock

Subscribe to MedicineNet's Allergy and Asthma Newsletter

By clicking Submit, I agree to the MedicineNet's Terms & Conditions & Privacy Policy and understand that I may opt out of MedicineNet's subscriptions at any time.

VIEW PATIENT COMMENTS
  • Hives - Describe Your Experience

    Please describe your experience with hives.

    Post View 98 Comments
  • Hives - Treatment

    What was your treatment for hives?

    Post View 64 Comments
  • Hives - Symptoms

    What did your hives look like and where on your body did they appear? Did you have other symptoms?

    Post View 6 Comments

Health Solutions From Our Sponsors