 These are the ones that draw water into the stool, soften it, ease its passing. Your Miralax, your polyethylene glycol, your milk of magnesia, your fleets enema, your lactulose. Your stimulant laxatives are your Dulcolax, your Exlax, your Senacote. This stimulates the bowel muscles to move the stool. Don't take it if your stool is not soft. It could hurt.