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37 Cards in this Set
- Front
- Back
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Mechanism of Action
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directly competes for histamine 1 site
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Competes with histamine 2 site
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Histamine2 antagonist or H2 blocker
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cimetidine, ranitidine & famotidine
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H2 blocker
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urticaria
pruritus |
itching
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diphenhydramine, chlorpheniramine, fexofenadine, loratadine and cetirizine
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H1 antagonist
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common drugs in treatment of nasal allergies
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diphenhydramine, chlorrpheniramine, fexofenadine, loratadine and cetirizine
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Benadryl
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diphenhydramine
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Dimetane
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brompheniramine
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Chlor-trimeton
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chlorpheniramine
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Allegra
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fexofenadine
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Claritin
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loratadine
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anticholenergic
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blocks the neurotransmitter acetylcholine in the central and the peripheral nervous system
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Effect: dilation & increased permeability
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histamine
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Effect: reduce dilation of blood vessels
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antihistamine
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Effect: reduce increased permeability
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anthistamine
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Effect: stimulate salivary, gastric, lacrimal & bronchial secretions
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histamine
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Effect: reduce salivary, gastric, lacrimal and bronchial secretions
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anthistamine
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Effect: mast cells release with other substances to produce allergic reaction
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histamine
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Effect: binds to histamine receoptors to prevent allergic reaction
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antihistamine
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cetirizine
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Zyrtec
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non-sedating and peripherally acting antihistamines
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Zyrtec, Allegra & Claritin
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Traditional; work both peripherally and centrally
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Benadryl, Chlor-trimeton
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3 main types of decongestants
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adrenergics, anticholinergics & corticosteroids
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rebound congestion
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occurs due to rapid absoprtion followed by quick decline in therapeutic effect
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budesonid
intranasal steroid |
Rhinocort
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fluticasone
intranasal steroid |
Flonase
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ipratropium
intranasal anticholinergic |
Atrovent
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ephedrine, oxymetazoline
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adrenergic decongestant
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adrenergics
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release ephedrine to constrict small blood vessels that supply URI
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naphazoline
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Privine
decongestant |
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numbs stretch receptor cells in respiratory tract
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benzonatate
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suppress cough by direct action on cough center in medulla
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opioids
(codeine, hyrdocodone) Robitussin A-C, Dimentane-DC) |
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suppresses cough reflex by numbing stretch receptors in in respiratory tract
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non opioids
(Tessalon Perles, Vicks Formula 44, Robitussin-DM) |
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most popular nonnarcotic antitussive available OTC
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dextromethorphan
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nonopioid antitussive thatnumbs cough receptors, available in oral form 100mg capsule
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Tessalon Perles (benzonatate)
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popular opioid antitussive, addictive & depresses respiration
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codeine (Dimetan-DC)
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expectorant
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guaifenesin (Mucinex)
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