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17 Cards in this Set
- Front
- Back
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psyllium-class/moa
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bulk-forming agent; hydrophilic colloid from indigestible parts of vegetables form gels in colon, distending intestine and stimulating peristalsis (TRIGGER STRETCH RECEPTORS)
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psyllium- indication
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chronic constipation
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psyllium- contraindications
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obstruction/perforation, signs of appendicitis, toxic colitis/ileus /megacolon
DIVERTICULITIS |
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psyllium- adverse effects
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bloating, flatulence
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psyllium- interactions
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may absorb other oral meds (separate admin by at least 1 hr)
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Magnesium citrate/ Magnesium Hydroxide - class/moa
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osmotic/saline/hyperosmotic (incl lactulose and sorbitol); indigestable salts/sugars hold water in intestine by osmotic force
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mg citrate/ mg oh -- indications
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constipation, chronic constipation, diagnostics preps
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mg citrate/ mg oh - adverse effects
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hypermagnesemia (in renal insufficiency), cramping/pain
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mg citrate/ mg oh - contraindications
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severe renal disease
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mg citrate/ mg oh-interactions
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decreased antibiotic absorption, premature release of enteric coated meds
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docusate class/moa
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surfactant (detergent); stool emulsification with weak contact action (increases nacl secretion via camp) NOT USEFUL ONCE CONSTIPATION HAS OCCURRED
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docusate- indications
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stool softener
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docusate- contraindications
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obstruction/impaction/ acute abdominal pain
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docusate - adverse effects
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abdominal cramping
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docusate- interactions
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increased mineral oil absorption/toxicity
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mineral oil- class/moa
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lubricant; penetrates and lubricates feces for easier passage. prevents water reabsorption
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mineral oil- adverse effects
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risk of aspiration in debilitated patients, incontinence, malabsorption of fat soluble vitamins
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