5 - ENT - Rhinology - Rhinosinusitis - Allergic and non-allergic RS Flashcards
Allergic RS - when?
can be seasonal (hay fever) or perennial
Allergic RS - what happens
IgE mediated infl - pollen (seasonal), house dust mite (perennial)
Allergic RS - Sx
sneezing, pruritis, rhinorrhoea - perennial RS gives more nose related symptoms and less pruritis
Allergic RS signs
swollen turbinates with pale/mauve mucosa, skin allergy tests may be +ve
Allergic RS - mgmt
Antihistamines - use 2nd gen
nasal steroid spray
non-allergic RS - - what happens
chronic watery rhinorrhoea - maybe ass w obstruction, sneezing
non-allergic RS - 5 dif types
vasomotor RS occupational RS hormonal RS drug induced RS non-allergic RS with eosinophilia syndrome NARES
Vasomotor RS
parasympathetic dominance - triggers include temp change, stress, chemical irritants
occupational RS - irritants
include..
latex, wood dust, metal salts, animal dander
hormonal RS due to?
increase oestrogen - preg, menstruation, puberty, hormonal meds
drug induced RS - what drugs
anti-HTn, NSAIDs, OCP, long term decongestants
NARES - describe
Sx same with allergic rhinitis - BUT no atopy demonstrated by allergen skin testing - and >20% eosinophils on nasal cytology - anosmia common (rare in allergic)