Allergy to goat and sheep milk

Cow milk allergy is often associated with goat milk or sheep milk allergy. although probably with a lower frequency than usually reported Goat milk or sheep milk allergy without allergy to cow milk has been recognized recently These allergies occur more frequently in patients with multiple allergies Clinical signs are narrower than for other food allergies It should be noted that this allergy is easy to diagnose in most cases, given a good clinical history and a positive skin prick-test and/or serum IgE assay It can be difficult to manage because of reactions to very small amounts of goat milk and/or sheep milk hidden in other foods The proteins involved are goat and sheep alpha(S1)- and alpha(S2)-caseins and beta-casein Therapeutic advances are anticipated, with various forms of immunotherapy (C) 2010 Elsevier Masson SAS All rights reserved.