Design and created by Guideline Central in participation with the American Academy of Allergy, Asthma & Immunology and American College of Allergy, Asthma, and Immunology.
American College of Allergy, Asthma, and Immunology
American Academy of Allergy, Asthma & Immunology
Publication Date: Feb 1, 2014
Page Last Updated: May 5, 2026
| A | Directly based on meta-analysis of RCTs, Well-designed RCTs or diagnostic studies performed on a population similar to the guideline's target population |
| B | Directly based on RCTs or diagnostic studies with minor limitations; overwhelmingly consistent evidence from observational studies |
| C | Directly based on observational studies (case control and cohort design) |
| D | Directly based on expert opinions, case reports, nonsystematic reviews |
| LB | Laboratory based |
| NR | Not Rated |
D000080223 - Chronic Urticaria
D014581 - Urticaria
D000080223 - Chronic Urticaria
D014581 - Urticaria
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