Michaela Shared "GI Drugs: Laxatives & Antidiarrheals" - 5 Picmonics
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GI Drugs: Laxatives & Antidiarrheals
- Mechanism of Action
- Increases Osmotic Load
- Indications
- Hepatic Encephalopathy
- Constipation
- Drugs
- Magnesium Hydroxide
- Magnesium Citrate
- Polyethylene Glycol
- Sorbitol
- Lactulose
- Side Effects
- Diarrhea
- Dehydration
- Considerations
- Misused in Bulimia Nervosa
- Irritants to increase peristalsis
- Within a few hours
- High dependency risk
- Fast-acting, effective, inexpensive
- Abdominal cramps, dependency, bowel urgency
- Indications
- Constipation (small, hard stools (C))
- Drug Names
- Psyllium
- Methylcellulose
- Mechanism of Action
- Soluble fibers
- Draws water into gut lumen
- Forms a viscous liquid that promotes peristalsis
- Side Effects
- Bloating
- Laxative for constipation
- Irritate lumen of the colon (C)
- Peristaltic contractions (C)
- Diarrhea (SE)
- Docusate information
- Osmotic draw into lumen increases water absorption by stool
- Senna information
- Enteric nerve stimulation leads to colonic contraction
- Melanosis coli
- Other drugs (C)
- Castor oil (C)
- Cascara sagrada (C)
- Bisacodyl (C)
- Phenolphthalein (C)
- Bismuth Salicylate
- Black tongue and stools
- Ototoxicity
- Reye syndrome with pepto bismol
- Pectin and Kaolin
- Cholestyramine
- teeth discoloration
- Atropine-Diphenoxylate
- Loperamide
- Not for kids
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