306- Pharm: GI disorders

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Author:
KristaDavis
ID:
170779
Filename:
306- Pharm: GI disorders
Updated:
2012-09-13 21:45:52
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306 Pharm GI disorders
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Description:
Exam 1
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  1. Nonprescription antiemetics
    (over the counter drugs)
    • –Antihistamines 
    • –Bismuth subsalicylate (Pepto-Bismol)
  2. Antihistamines
    • •Dimenhydrinate
    • (Dramamine)

    • *Diphenhydramine
    • (Benadryl
  3. Side effects to Antihistamines
    • (similar to anticholinergics)
    • –Drowsiness, dry mouth, constipation
  4. Action of Bismuth Subsalicylate
    –Acts directly on gastric mucosa to suppress vomiting
  5. Perscriptive Antihistamines
    –Hydroxyzine (Vistaril)

    –Promethazine (Phenergan)

    ***Act on VC, decreases stimulation of CTZ
  6. Anticholinergic
    • –Scopolamine (Transderm-Scop)
    • –Acts on VC,decreases stimulation of CTZ
  7. Dopamine antagonists
    • –Phenothiazines
    • Promethazine(Phenergan)
  8. •Promethazine (Phenergan)
    Actions
    •Inhibit CTZ, blocks H1 receptor sites
  9. •Promethazine (Phenergan)
    Side Effects
    •Drowsiness, dry mouth, blurred vision, tachycardia, constipation, urinary retention, photosensitivity, EPS (tardive dyskinesia, acute dystonia, akathisia)

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