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306- Pharm: GI disorders

  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)
Author
KristaDavis
ID
170779
Card Set
306- Pharm: GI disorders
Description
Exam 1
Updated

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