Allergy

Question 1

What is a food allergy?

Answer 1

Primary - failed to develop immune tolerance

Infant - milk, egg, peanut
Older children - peanut, fish, shellfish

Secondary - initially tolerated then allergic

Question 2

Signs and symptoms of food allergy?

Answer 2

IgE mediated allergy - urticaria, facial swelling, rash, erhythema, nausea

Non-IgE mediated - erythema, atopic eczema, GORD change in bowel habits.

Question 3

Investigations for food allergy?

Answer 3

Clinical History
-speed on onset, severity, location,
food diary
atopic history

skin prick allergy testing
measurement of IgE antibodies

Question 4

Management of food allergy?

Answer 4

Specialist care

avoid foods

teach how to manage allergic attack

Question 5

What is allergic rhinitis?

Answer 5

intermittent vs persistent
mild vs severe
seasonal vs perennial

Question 6

Signs and symptoms of allergic rhinitis?

investigations?

Answer 6

coryza, conjunctivitis, blocked nose

sleep disturbance

identify co-existent asthma

Question 7

Management of allergic rhinitis?

Answer 7

2-5 years = oral antihistamine

inhaled corticosteroids

Question 8

What is the cow’s milk protein allergy?

Symptoms?

Answer 8

Common 3-6%
can be immediate or delayed
infants that are breastfed can still get it

IgE mediated allergy - same as food allergy

Non-IgE mediated - same as food allergy

Question 9

Management of cow’s milk allergy?

Answer 9

Eliminate cow’s milk

monitor growth

re-evaluate tolerance to protein