Allergic Rhinitis pt 2 Flashcards
2nd gen antihist efficacy, dosing, onset
Better effect for seasonal over perennial
convienient dosing
start within hour, day to ramp up
Reactine (cetrizine)
Most drowsy but considered non-sedative
-concentration 5 or 10 not much different, 20 also but is prescribed
types of 2nd gen antihist and age range
loratadine (Claritin) 2 y
desloratadine (Aerius) 2y
cetirizine (Reactine) 2y
fexofenadine (Allergra) 12y
what decreases fexofenadine effect
juices and when taken with food
When will 2nd gen begin to work and how long can take
Work in about day or 2, can recommend for all year, can plan drug holiday
Dristan nasal spray and dymista nasal spray
phenylephrine and pheniramine
Dymista: fluticasone and azelastine (more worht try)
Ocular antihistamines
OTC: pyrilamine, antazoline, pheniramine
Rx: emadatine and ketotifen
-cannot use year round, rebound in eyes. 1st gen stings
Intranasal steroids. Period of use
Mometason, fluticasone, ciclesonide, fluticasone
-Use for weeks to years
-safe in nose, no worry of rebound
First gen intranasal steroids
trimcinolone, budesonide, beclomethasone, flunisolide
dosing, s/e, and therapy duration of intransal steroids
Dose: od-bid for prn vs regualr
s/e: irritation, running down throat, negative steroidal effect
Why is intranasal steroid used for adults
Caution for growth
BEnefit of crossing nasal srapy
Get in nose side instead of back of nose
Cromolyn
Moa- prevent mediator release
-mass cell stabilizer (prevent from releasing granules)
-not used lots because 6x day
-similar is Alocril, Patanol, and alomide
Allergy SHots
Exposed to small amount and react, to have less response when encounter it (subsenitization)
Montelukast
leuoktriene antagonist
-not that effective, for allergic based asthma
