Some laxatives work quickly, within 15-30 minutes, and some take one or two days to work. You should drink plenty of fluid when you are taking laxatives (8-10 cups per day). Laxatives are usually taken for a few days until your bowel movements have returned to normal.

What laxative makes you poop instantly?

Lubricant laxatives such as mineral oil (liquid petrolatum) 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.

How fast do laxatives make you poop?

Osmotic laxatives, including magnesium citrate and magnesium hydroxide, may produce a bowel movement in 30 minutes to 6 hours. Others may not take effect for 24 to 48 hours. Stimulant laxatives, such as Dulcolax and Senna, may take 6 to 12 hours. Stool softeners, such as Docusate, may take 24 to 48 hours.