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IBS
Inflammatory Bowel Syndrome
| Question | Answer |
|---|---|
| Types of IBS | diarrhea predominant; constipation predominant; diarrhea and constipation |
| clinical presentation of IBS | ab pain exacerbated by meals, upper GI symptoms with constipation (heart burn, dyspepsia, early satiety and nausea), ab distention, bloating, pelvic pain, dysmenorrhea, dysparemia, urinary frequency, nocturia, imcomplete bladder evacuation, decrease sexua |
| Alarm symtpmos | onset <50 years; unexplained weight loss, GI bleeding, progressive or unrelenting pain, nocturnal or large volume diarrhea, family history of colon cancer, IBD, iliac sprue |
| Dicyclomine | Bentyl; antispasmodic; anticholinergic; used in mild diarrhea |
| Hyoscyamine | anticholinergic |
| Amitriptyline | Elavil; anticholinergic; used in diarrhea |
| Paroxetine | Paxil; SSRI; used for psychiatric comorbidities |
| Tegaserod | Zelnorm; 5HT3 antagonist; used in constipation |
| Lactulose | osmotic laxative |
| polycarbophil | fibercon; bulking agent |
| PEG | osmotic laxative |
| alosetron | lotronex; 5HT3 antagonist |
| alosetron ADRs | constipation, ab pain, nausea, intestinal obstruction, ischemic colitis, toxic megacolon, death; have to sign manufacturer agreement; use no more than 4 weeks |
| loperamide | imodium; antidiarrhea |
| diphenoxylate/atropine | lomotil; antidiarrhea |