Constipation

Purpose | Principles | How to Care for a Patient in Pain | Nutrition
Nausea and Vomiting | Constipation | Anxiety and Depression | Dyspnea
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Constipation Checklist

  • Consider bowel obstruction, electrolyte abnormalities, drug-induced paralytic ileus
  • Check for stool impaction
  • Over-the-counter laxatives and stool softeners

Class Of Drug Drug Usual Starting Dose Comments
Stool softeners  Colace
(docusate sodium)
200 mg/d mainly used to prevent constipation
Osmotic agents   Sorbitol
(70 percent solution)
30 ml hourlyx4
tid
may cause abdominal cramps, flatulence
Lactulose 15-30 ml hourlyx4
tid
may cause abdominal cramps, flatulence
Miralax
(polyethylene glycol powder)
(requires prescription)
17 gm daily may take 2-14 days, not recommended for chronic use
Milk of Magnesia 30-60 ml prn
Glycerin suppository
(Fleet's)
2-5.6 gm prn
Phospho-soda
(Fleet's)
20-45 ml once mix with 4 oz water; follow with 8 oz water
Bulk agents Metamucil
(psyllium)
4-6 dm may cause constipation unless fluid intake is adequate
Perdiem
(calcium polycarbophil)
500-1000 mg/d
Stimulants Sennokot
(senna)
2 tablets/d delayed onset of action
Dulcolax
(bisacody)
5-15 mg   oral, suppository and enema forms available

Helpful Hints

  • Consider prescribing stool softeners or laxatives for inpatient admissions, especially if patient is treated with narcotic analgesics
  • A laxative agent or enema may be necessary before a stool softener or bulk agent, if patient is complaining of constipation
  • Many over-the-counter single or combination drugs are widely available; Pericolace, Sennokot, Docusate, and senna, sugar-free sorbitol candy
  • Increase fluids, dietary fiber and physical activity

 

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