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CSU & You

Chronic spontaneous urticaria (CSU), previously known as chronic idiopathic urticaria (CIU), is a form of chronic hives with no known cause. CSU can cause severe itching that lasts many months – and even years – and can be difficult to diagnose. Symptoms can come and go. CIU can be unpredictable and differ from person to person.

CIU & You: Chronic Idiopathic Urticaria

To raise awareness of this little-known condition and develop helpful resources, AAFA has teamed up with:

  • Novartis Pharmaceuticals Corporation
  • Genentech
  • Emmy Award-winning comedienne Vicki Lawrence

Vicki is opening up about her experience with CSU. Together, we present CSU & You, an educational campaign for patients with CSU.

Our awareness campaign includes resources such as a discussion guide and symptom tracker.

To hear Vicki’s story, and learn more about CSU, please visit

Allergy Capitals

Your location can have an impact on your seasonal allergies. AAFA’s Allergy Capitals™ report looks at the top 100 most challenging cities in the continental United States to live with seasonal pollen allergies.

Read the Report>