Sheath in nerve tissue drugs to treat uris class drug

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sheath in nerve  tissue  Drugs to treat URI’s  CLASS  DRUG NAME  ACTION SIDE  EFFECTS  INTERACTIONS/ CONTRAINDICATION Decongestant Decrease over  production of secretions  through  vasoconstriction. Shrinks swollen  membranes and opens  up clogged nasal  passages. Promotes  drainage and improved  airflow. Oral  Decongestant Pseudoephedrine  (Triaminic)  Decreases nasal  congestion by shrinking  the nasal mucous  membrane by  stimulating the alpha  adrenergic receptors in  the nasal membranes.  Promotes sinus  drainage.  Rebound  congestion  Use cautiously with OTC  drugs also containing  pseudoephedrine  Topical Nasal Decongestant s Oxymetazoline  (Afrin)  Relieves discomfort of  nasal congestion. Sympathomimectics  (vasoconstriction) Local stinging or burning. Rebound  congestion  Use for the common cold,  sinusitis, allergic rhinitis.  Use cautiously in patients  with glaucoma  (vasoconstriction =  increased pressure) Topical Nasal Steroid  Decongestant  Beclomethasone  (Beclovent) Dexamethasone  (Decadron)  Not well known. Local effect blocks  many of the  inflammatory response  reactions  Use for allergic rhinitis and decrease inflammation  from nasal polyp removal. Antitussives Dextromethorpha n (Benylin) Suppresses the cough  reflex by acting either  direct or indirectly on  the medullary cough  center. Stops  uncomfortable and  nonproductive cough.  Drying  effects,  drowsiness,  sedation.  Do not give to patients that need to cough. Use with caution for  patients who have asthma  or emphysema.
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Antihistamine 1 st  gen –  Vistaril  Antivert  2 nd  gen –  Zyrtec  Allegra  Claritin  Selectively block release of histamine 1. Decrease secretions.  Bronchoconstriction.  1 st  gen – has larger  anticholinergic effect,  more sedative 2 nd  gen – less sedative  and not as effective  Drowsiness  and sedation.  Expectorants  Guaifenesin  (Mucinex)  Increases a productive  cough to clear the  airways. Liquefy lower  RT secretions to make it easier to cough them up  and clear the airways.  Do not use for more than  one week – could mask a  serious underlying  disorder.  Mucolytics   Acetylcysteine  (Mucomyst)  Increases or liquefies  secretions to help clear  the airway. Affects the  mucoproteins and  splitting the disulfide  bonds; breaks down  extracellular DNA from  proteins.   Antidote for Tylenol OD  LOWER RT DRUGS  DRUG CLASS DRUG ACTION SIDE  EFFECTS CONTRAINDICATIONS / INTERACTIONS  Bronchodilators Dilate the airways  Xanthines  (bronchodilator) Aminophylline (truphylline)  Theophylline  (Theo-Dur)  Has a dilating effect  on smooth muscles  of the RT (bronchi  and blood vessels)  Not the first  choice of  bronchodilator due to narrow 
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