Introduction — This topic includes links to society and government-sponsored guidelines from selected countries and regions around the world. We will update these links periodically; newer versions of some guidelines may be available on each society's website. Some societies may require users to log in to access their guidelines.

The recommendations in the following guidelines may vary from those that appear in UpToDate topic reviews. Readers who are looking for UpToDate topic reviews should use the UpToDate search box to find the relevant content.

Links to related guidelines are provided separately. (See "Society guideline links: Hereditary angioedema and other forms of nonhistaminergic angioedema".)

International

●European Academy of Allergy and Clinical Immunology (EAACI)/Global Allergy and Asthma European Network (GA2LEN)/European Dermatology Forum (EDF)/World Allergy Organization (WAO): Guideline for the definition, classification, diagnosis, and management of urticaria (2018)

●World Allergy Organization (WAO): Management of chronic spontaneous urticaria – A worldwide perspective (2018)

●WAO: Diagnosis and treatment of urticaria and angioedema – A worldwide perspective (2012)

United States

●American Academy of Allergy, Asthma, and Immunology (AAAAI), American College of Allergy, Asthma, and Immunology (ACAAI), and Joint Council of Allergy, Asthma, and Immunology (JCAAAI): Practice parameter – The diagnosis and management of acute and chronic urticaria, update (2014)

●Choosing Wisely: Don't routinely do diagnostic testing in patients with chronic urticaria (2012)

Europe

●European Academy of Allergy and Clinical Immunology (EAACI)/Global Allergy and Asthma European Network (GA2LEN)/European Dermatology Forum (EDF)/World Allergy Organization (WAO): Guideline for the definition, classification, diagnosis, and management of urticaria (2018)

●EAACI: Position paper – Evidence for autoimmune urticaria and proposal for defining diagnostic criteria (2012)

United Kingdom

●British Society for Allergy and Clinical Immunology (BSACI): Guideline for the management of chronic urticaria and angioedema, 2nd edition (2015)

●Royal College of Paediatrics and Child Health (RCPCH): Allergy care pathways for children – Urtricaria/angio-oedema/mastocytosis (2011)

●British Association of Dermatologists (BAD): Guidelines for evaluation and management of urticaria in adults and children (2007)

Australia-New Zealand

●Australasian Society of Clinical Immunology and Allergy (ASCIA): Chronic spontaneous urticaria (CSU) position paper and treatment guidelines (2020)

Japan

●Japanese Dermatological Association (JDA): Japanese guidelines for diagnosis and treatment of urticaria in comparison with other countries (2012)