Nutrition and the Skin Flashcards
Two types of food allergy?
IgE mediated food allergy
Non-IgE mediated food allergy
Classical IgE mediated reaction?
Angioedema Pruritis Acute urticaria Erythema Nausea Vomitin Diarrhoea Angioedema of lips Oral pruritis Colicky pain in abdomen URT symptoms Anaphylaxis
Non IgE mediated food intolerance?
Pruritus General malaise GI upset Constipation/diarrhoea Atopic eczema Erythema Reflux
2 particularly important aspects of taking a clinical history?
- Speed of onset (immediate-seconds-2h)
- Reproducibility
Difference between urtcaria and eczema?
Urticaria =
- well defined
- Erythema/white
- Smooth surface
Eczema=
- Ill defined
- Erythema
- Scaly surface
3 step plan for acute allergic reaction?
- First sign of reaction take oral chlorophenamine
- if it doesn’t resolve/worsens seek urgent medical help and give prednisalone
- Ig child becomes blue/collapses give autoinjector of adrenalin
How to diagnose food allergy?
Clinical history
Specific Ige
Skin prick testing
Food challenge
What categories can food hypersensitivity be divided into?
Immune mediated (food allergy) Non-immune mediated reactions (food intoerance)
Most common allergies in children?
Soya Shellfish Cow's milk Chicken eggs Tree nuts Peanuts Fish Wheat
Types of food intolerances include?
Intolerances with unknown mechanisms e.g. to food additives Pharmacologic intolerances - reactions to naturally occurring substances in foods e.g. histamine, salicylates, caffeine and theobromine (in chocolate) Enzymatic intolerances - the most common of which is lactose intolerance (i.e. little or no lactase) – not to be confused with cow’s milk allergy…
Which type of allergy shows respiratory systems to cow’s milk?
IgE mediated Cows milk allergy
First step once a baby is diagnosed with cow’s milk allergy?
Milk free diet until 9-12 months of age (for atleast 6 months)
Which milk is not recommended in children under 5?
Rice milk
