Paediatric allergy Flashcards
1
Q
Name 3 major stimuli which cause allergy
A
- Inhalant allergens - house dust, plant pollen
- Ingestant allergens
- nuts, seeds, cows milk, eggs - Insect stings, bites, drugs and rubber latex
2
Q
Define allergy
A
1, Hypersensitivity reaction initiated by specific immunological mechnisms
- can be igE medicated
- or non igE mediated
3
Q
Define atopy
A
- a personal or familial tendency to produce igE antibodies in response to ordinary exposures to potential antigens
4
Q
What is the characteristic course of IgE mediated immune reaction?
A
- Early exposure - within minutes of exposure to allergen caused by release of histamine
- Later phase - bronchospasm, nasal congestion and cough
5
Q
Clinical presentation of allergic reactions
A
- Mouth breathing habitually
- Pale and swollen inferior nasal turbinates
- Hyper inflated chest
– Check growth - espec with food allergy, dietary restriction or malabsorbtion can restrict growth
6
Q
Mx of allergic reaction
A
- MDT approach
- Respiratory paediatricians, dermatologists - Specific allergic immunotherapy
7
Q
Allergic immunotherapy - what and why
A
- used for treating ; allergic rhinitis, conjunctivitis, insect stings and asthma
- solutions of an allergen to which patient is allergic is injected subcutaneously on a regular basis for 3 - 5 years
8
Q
What is the allergic march of disorders?
A
Allergic children develop individual allergic disorders at different ages