16th October 2019


What is the best fast acting laxative?

Bulk-forming laxatives, for example, methylcellulose (Citrucel) and psyllium hydrophilic mucilloid (Metamucil) Stimulant laxatives are the fastest-acting, such as include aloe, cascara (Nature's Remedy), senna compounds (Ex-Lax, Senokot), bisacodyl (Dulcolax, Correctol), and castor oil.

What is the most effective laxative?

Treatment choices
Generic nameSelected brand name(s)Type of drug
Over-the-counter medications
BisacodylCorrectol, DulcolaxLaxative
DocusateColace, D.O.S. SulfolaxStool softener
Polyethylene glycolMiraLaxLaxative

How long does it take for a laxative to work?

They may take up to 2-3 days before they start to work. Stimulant laxatives - these stimulate the digestive tract walls, speeding up bowel movements. Usually, they take effect within 6-12 hours. Stool softener laxatives - these decrease the surface tension of stools so that they absorb more water, making them softer.
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