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Laxatives, elderly - Coggle Diagram
Laxatives
A/R
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fluid and elec imbanlance (hyperosmolar , saline, stool softerner)
urine discolored, malabosorption,weight loss (stimulant)
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STIMULANT
Bisacodyl (Dulcolax), sennosides
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BULK-FORMING
calcium polycarbophil, psyllium, methylcellulose
to add 'soluble' fibre to the stool so that larger bulk can be created and more water can be absorped which lead to stronger peristalsis movement
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HYPEROSMOLAR/OSMOTIC
glycerin, lactulose (enulose) ,polyethylene glycol (MiraLax), lubiprostone, polyethylene glycol and magnesium hydroxide solution (called milk of magnesia).
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lactulose (Enulose, Cephulac)
hepatic encephalopathy, constipation
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SALINE
magnesium, sodium phosphates,magnesium hydroxide (milk of magnesia), and magnesium sulfate (Epsom salt).
magnesium citrate
on an empty stomach, at least 1 hour before or 2 hours after a meal.
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