How Long Does It Take Stool Softeners To Work. Do not chew, break, or open a dulcolax stool softener 100mg capsule. It is not true laxative, but facilitates natural defecation, usually within 12 to 72 hours. Vicks For Hemorrhoids Reddit Captions Todays from captionstodaysnl.blogspot.com Lactulose (also called by the brand names duphalac and lactugal) This …