cold allergies Flashcards
allergic rhinitis is caused by
exposure to allergen
nasal irrigation require what kind of water
distilled, sterile, or previously boiled
firstline treatment for moderate-severe allergy symptoms
intranasal steroids
preferred nasal steroids in pregnancy
budesonide, beclomethasone
antihistamines have little effect on
nasal congestion
what are the first generation antihistamines
benadryl, chlorpheniramine, doxylamine, clemastine, carbinoxamine
who should not receive first gen antihistamines
elderly, <2yo
use first gen antihistamines with caution if patient also has
prostate enlargement, glaucoma
major side effects of first gen antihistamines
somnolence, cognitive impairment, anticholinergic side effects
what are the anticholinergic side effects
dry mouth, blurry vision, urinary retention, constipation
first gen antihistamines may also cause which type of sensitivity
photo
which antihistamines are second gen
cetirizine, levoceterizine, fexofenadine, loratadine, desloratadine
levocetirazine (xyzal) is contraindicated in
ESRD (CrCl <10mL/min), hemodialysis, infants and children 6mo-11y with renal impairment
fexofenadine should not be taken with
fruit juice
preferred 2nd gen antihistamines in pregnancy
loratadine, cetirizine
which second gen antihistamines are the least sedating
fexofenadine, loratadine