Drugs for Rhinitis, Cough, and Colds Flashcards
Allergic rhinitis
Release of histamine1, leukotrienes, & prostaglandins cause inflammatory response leading to: Inflammatory disorder of the upper airway, lower airway, and eyes
Allergic rhinitis symptoms
Sneezing; Rhinorrhea; Pruritus; Nasal congestion
Antihistamines
First-line drugs that relieve sneezing, rhinorrhea, nasal itching
Antihistamines do not
reduce nasal congestion
Antihistamines are most effective when
taken prophylactically
Antihistamines 1st generation
diphenhydramine (Benadryl), cyproheptadine (Periactin), chlorpheniramine (Chlor-Trimeton)
Antihistamines 1st generation adverse effects
Sedation, Anticholinergic effects-dry mouth, constipation, urinary retention, increased heart rate
rhinitis means
inflammation of the nasal passages
antihistamines chemical mediators that cause
inflammatory responses; cause vasodilation (blood vessels become dilated so more fluid and volume, so more is stopped up)
antihistamines release first generation to
keep from runny nose
problem with first generation
sedation
second generation antihistamines
azelastine (Astelin) * only intranasal antihistamine available (bitter taste, somnolence), cetirizine (Zyrtec), loratadine (Claritin), fexofenadine (Allegra) [all much better than the first generation]
Glucocorticoids end in
“sone”
Glucocorticoids are
steroids
Intranasal Glucocorticoids:
beclomethasone (Beconase), fluticasone (Flonase)