Flashcards in Allergic Rhinoconjunctivitis Deck (7):
What is allergic rhinoconjunctivitis?
Chronic IgE mediated inflammatory response to mucosal contact with inhaled allergens
What are the history features of allergic RC?
- Rhinitis: Nasal obstruction, itch, sneezing and clear rhinorrhoea
- Conjunctivitis: itching and increase in tear fluid
How does the time course of symptoms reflect the trigger?
○ Spring/summer/autumn: Pollen or mould
○ Perennial: indoor allergens eg house dust mite, animal dander, cockroaches
- Episodic: often animal dander
What are the exam findings in allergic RC?
○ Swollen and pale turbinates, when severe they can extend to the nasal septum
- Conjunctival injection oedema which appears red and swollen
With what presentations would you consider an alternative cause?
Obstruction being the only symptom - anatomical cause
Sneezing, mucoid rhinorrhoea and/or obstruction predominate - vasomotor or infective rhinitis
When do you investigate? How?
Perennial not seasonal course
Skin or serology IgE testing