Etiket Arşivleri: Food Allergy
Important food allergy in children
Starts early in life
Often resolved by school age
atopic dermatitis, urticaria, asthma, anaphylaxis
Sensitization may predict atopic disease later in life
Boiled/heated egg may be tolerated
Is there a risk for severe reactions?
Could the patient tolerate cooked egg?
Is the allergy likely to be persistent?
How should the patient best be managed?
Who needs strict avoidance?
Who needs emergency medication?
Common clinical practice
Egg white components
Main egg allergen components
Ovomucoid – Gal d 1
Ovalbumin – Gal d 2
Ovotransferrin – Gal d 3
Lysozyme – Gal d 4
Ovomucoid – Gal d 1
The dominant egg white component
11 % of egg white content
Stable to heat and enzymatic digestion
Ovomucoid and tolerance
Boiled egg may be tolerated if Ovomucoid-IgE levels are low
Persistent egg allergy is seen in patients with high Ovomucoid-IgE levels
WHAT THE FOOD SERVICE WORKER NEEDS TO KNOW BY RACHEL MATHISEN
What is a food allergy?
It is an immune response usually to one or more proteins in a food.
In a food allergy the child’s body identifies the protein in a food as foreign or invader and mounts a defense against that protein.
The body declares war on the invader by releasing chemicals like histamine and all sorts of symptoms can appear.
Unfortunately, it is the child who suffers
Food Allergy vs. Food Intolerance
They are not the same!
An immune response
The reaction occurs each time the child is exposed to the food
Only a small dose is required
May cause life-threatening symptoms
Usually the symptoms appear quickly
Not an immune response
Symptoms may not occur every time the food is eaten
Usually takes a larger dose
Uncomfortable, but symptoms are usually not serious
Symptoms may take several hours to appear
Lactose intolerance is a prime example.
People with lactose intolerance can have some milk products with no side effects
But people with a true milk allergy must avoid all dairy products and all forms of cow’s milk or risk having an allergic response.
Food Allergy Symptoms
Vomiting, diarrhea, stomach cramps