Laxatives Flashcards
bulk-forming laxatives MOA
- increase water absorption
- softens and increases bulk of intestinal contents
- distention of colon increases peristalsis
bulk-forming laxatives should not be used by individuals with…
abdominal pain, nausea, vomiting
bulk-forming laxative drug names to know
hint: my neighbors sit and cell bulks of meth
methylcellulose (Citrucel)
hyperosmotic laxatives MOA
creates gradient that draws fluid into colon to increase stool fluid content and stimulate peristalsis
hyperosmotic laxatives AEs
abdominal bloating, rectal irritation, electrolyte imbalance
hyperosmotic laxative drug names to know
hint: hyper Polly looked in the mirror
- polyethylene glycol 3350 (Miralax)
- lactulose
saline laxative MOA
Similar to hyperosmotic - osmotic pressure pushes water/electrolytes into intestines
saline laxative AEs
salts may cause issues with individual with diminished cardiac or renal function
emollient laxative MOA
- facilitate water and fat absorption into stool
- lubricate fecal matter and intestinal wall
- known as fecal softeners and lubricant laxatives
emollient laxative AEs
- usually well-tolerated
- skin rash, decreased vitamin absorption, electrolyte imbalance
emollient laxative drug names to know
docusate (Colace)
stimulant laxative MOA
stimulates peristalsis through enteric nervous system
stimulant laxative AEs
Long-term use: dependence and damage to intestinal cells/loss of colon function
stimulant laxative drug names to know
senna glycoside (Senna)