Using polyethylene glycol 3350 with electrolytes to treat patients with constipation linked to irritable bowel syndrome led to better outcomes, compared with a placebo, according to a study in The American Journal of Gastroenterology. The number of spontaneous bowel movements each week increased for both groups, but by the fourth week the treatment group reported more significant improvements in spontaneous complete bowel movements, stool consistency and straining severity.

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