Rhinitis & nasal symptoms


Heiner Syndrome

Food allergy in early childhood is a marker indicating an increased risk of developing respiratory allergy. Asthmatic responses to food additives can occur but are uncommon.

The upper respiratory tract can be a target of IgE-mediated food allergy. Symptoms may include nasal congestion, runny nose, sneezing and itching. The prevalence of food-induced allergic rhinitis, even among patients referred to allergy clinics, appears to be less than 1 percent, although 25 to 80 percent of patients with documented IgE-mediated food allergy have nasal symptoms during oral food challenges.

Gustatory rhinitis is a streaming nose caused by spicy foods. This is not an immunologic reaction it is a chemical action on a neurological reflex.

Food-induced asthma is an antibody mediated condition that may result from ingestion of a food allergens. It can also result from inhalation of vapours released during cooking. As with atopic eczema, food allergens and cows milk protein can be responsible and are more easily able to penetrate an infant's intestinal wall to cause an antigen / antibody response. The prevalence of food-related asthma in the general population is unknown, but this illness has been found to occur in 6 percent of children with asthma, 11 percent of children with atopic dermatitis and 24 percent of children with a history of food-induced wheezing.
The prevalence of food-induced wheezing in adults with asthma is less than 2 percent.

Heiner Syndrome
This is a severe reaction to cows milk protein. It is a rare adverse pulmonary response to food characterized by an immune reaction to cow's-milk proteins with precipitating antibody (IgG) to cow's-milk protein resulting in pulmonary infiltrates, pulmonary haemosiderosis (iron deposits in the lungs), anaemia, recurrent pneumonia and failure to thrive.


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