Laxatives

Question 1

nonpharm strategies to decrease constipation

Answer 1

high fiber diet
2-3L fluid/day
regular exercise

Question 2

causes of constipation

Answer 2

dehydration, poor nutrition, lack of movement, opioids, anticholinergics, verapamil, antacids

Question 3

laxative meds

Answer 3

docusate sodium
polyethylene glycol
bisacodyl
lactulose

Question 4

docusate sodium

Answer 4

stool softener

useful for: prophylactic, painful elimination, prevention of straining

Question 5

polyethylene glycol

Answer 5

osmotic (pulls water)
BM in 2-4 days
well-tolerated
mix in 4-8 ounces of fluid (any)
dehydration

Question 6

bisacodyl

Answer 6

stimulant (irritant)
BM in 12h PO, 1h PO
very STRONG, very harsh

Question 7

lactulose

Answer 7

osmotic - helps intestines excrete ammonia

expensive, flatulence, cramping, dehydration

Question 8

issues w/laxative overuse

Answer 8

dehydration
electrolyte imbalances
loss of nml defecation reflex

Question 9

polyethylene glycol 3350 w/electrolytes

Answer 9

osmotic (pulls water)
used for bowel surgery or colonoscopy
massive diarrhea, dehydration
pts must drink 1 gallon, may mix w/clear flavoring