Natural History of Chronic Urticaria

The Natural History of Chronic Urticaria in Childhood: A Prospective Study

The purpose of this study is to examine the natural history of chronic urticaria in children and to identify the predictors for chronic urticaria remission.

A Prospective cohort study of 92 children who were diagnosed with chronic urticaria to investigate the natural course of chronic urticaria and to identify predictors of disease remission.

Inclusion Criteria:

• Children 4-15 years of age with the diagnosis of chronic urticaria who were attending the pediatric allergy clinic, Siriraj Hospital Mahidol University, Thailand, from March 2003 to March 2009.

Exclusion Criteria:

• Children who had isolated physical urticaria, inability to be followed up, pregnancy, underlying diseases such as cardiovascular, hepatobiliary, and renal diseases.