Best Answer: The peripheral nervous system, which it is a component of. The sympathetic and parasympathetic systems are components of the autonomic nervous system.
Also, make the call if: 1  Constipation is a new problem for you. 2  You have blood in your stool. 3  You are losing weight even though you are not dieting.  You have severe pain with bowel 1  movements. Your constipation has lasted more than 2 weeks.  You have pencil-thin stools.
Extended use or overuse of this medication for constipation may result in dependence on laxatives and ongoing constipation. Overuse may also cause persistent diarrhea, loss of too much body water (dehydration), and mineral imbalances (e.g., high magnesium). Tell your doctor if your condition persists or worsens. For constipation problems, it may take 30 minutes to 6 hours to produce a bowel movement.