URL of this page: //medlineplus.gov/ency/imagepages/8701.htm




Heredity, environmental conditions, number and type of exposures and emotional factors can indicate a predisposition to allergies.

Review Date 3/14/2016

Updated by: Stuart I. Henochowicz, MD, FACP, Associate Clinical Professor of Medicine, Division of Allergy, Immunology, and Rheumatology, Georgetown University Medical School, Washington, DC. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.