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Bowel Disorder Drugs
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adsorbents Mechanism of Action
coat the walls of the GI tract
bind the causative bacteria or toxin
anticholinergic mechanism of action
work to slow peristalsis by reducing the rhythmic contractions and smooth muscle tone
opiates mechanism of action
decrease bowel motility and relieve rectal spasms
Intestinal flora modifiers
probiotics
Antidiarrheal indications
diarrhea of various types and severity
Bulk forming laxatives Mechanism of actions
absorb water into the intestine which increases bulk
Distend bowel to initiate reflex bowel activity
Emollient/ stool softeners Mechanism of action
lowers the surface tension of GI fluids allowing more water and fat into it and lubricants the feces and intestinal walls
Hyperosmotic Mechanism of aCtion
increase fecal water content in the large intestine
Saline Mechanism of Action
Increase osmotic pressure within the intestinal tract, causing more water to enter the intestines
Results in bowel distention, increased peristalsis, and evacuation
Stimulant Mechanism of action
stimulate the nerves that innervate the intestines
Peripherally acting opioid antagonists
Block entrance of opioid into bowel
Laxatives Contraindications
Acute surgical abdomen, appendicitis symptoms, fecal impaction, intestinal obstruction, undiagnosed abdominal pain
Laxatives Adverse Effects
Related to overuse or misuse
Author
WindWell2794
ID
208104
Card Set
Bowel Disorder Drugs
Description
Pharm test four
Updated
3/19/2013, 12:07:42 AM
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