Atopic dermatitis (AD) or eczema is a common chronic recurrent skin condition due to an impaired skin barrier and increased skin inflammation.
Environmental factors such as heat, sweat, dust and stress play a major role in triggering AD flares while food allergy is associated in only a minority of patients with AD.
Investigations should be carried out only if there is a high suspicion and after discussion with the doctor.
There are two types of food allergies:
Food allergy in AD patients should be suspected in the following situations:
Skin Prick Test (SPT):
An SPT is performed as follows:
Allergen-specific Antibody Test:
What is the accuracy of allergy tests?
Negative test results
Positive test results
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