Do stool softeners make you poop?
Less than the box suggests. Docusate, the usual stool softener, has done about as well as a placebo in trials. Softener pills that also contain senna are a different story, because senna is a real laxative. Pick yours:
MAYBE. Trials say barely.
The label says it usually works in 12 to 72 hours. In trials, people on docusate went about as often as people on a dummy pill, and their stool didn't hold more water.
Did stool softener make you go?
The meter says what should happen. Your bowels get a vote too.
Why it works
It's meant to let water into stool
Docusate is a detergent-like ingredient meant to help water mix into hard stool. That's the theory.
In trials it barely beat nothing
In a hospice trial, docusate plus senna did no better than a dummy pill plus senna. Against psyllium, docusate barely changed stool water at all, while psyllium raised it.
Gut doctors don't recommend it
The 2023 US constipation guideline found docusate no better than placebo, and worse than psyllium.
Sources: StatPearls, Docusate; Tarumi et al., J Pain Symptom Manage 2013; McRorie et al., Aliment Pharmacol Ther 1998; AGA-ACG constipation guideline 2023.