Constipation . Prepared by : Safaa raed Baraa maher. Definition . Constipation is defined as a decrease in the frequency of fecal elimination and is characterized by the passage of hard, dry , and sometimes painful stools .
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Prepared by : Safaaraed
(b) inadequate fluid intake.
saline and osmotic laxatives work by creating an osmotic gradient to pull water into the small and large intestines . This increased volume results in distention of the intestinal lumen , causing increased peristalsis and bowel motility.
Stimulant laxatives work in the small intestines to stimulate bowel motility and increase the secretion of fluids into the bowel.
Emollient laxatives act as surfactant by allowing absorption of water into the stool which makes the softened stool easier to pass.
Lubricant laxative increase water retention in the stool to soften the stool .
Pregnant patients constipation is common and is often the result of compression of the colon by the enlarged uterus.
Glycerin suppositories or orally administered lactulose may be useful for initial treatment of constipation and bulk forming agents used to prevent constipation .