← Chapter 13
Pharmacology · Chapter 13

Laxatives by Mechanism & Onset

A laxative can add water, add bulk, or trigger peristalsis — and the class you pick decides how fast relief arrives, from minutes to days. Tap a class (or a bar on the onset timeline) to see where it works and how quickly. Flip to antidiarrheals to meet the drugs that do the opposite.

The bowel

Onset timeline
Tap a bar on the timeline, or a class on the right.
Speed up or slow down the gutchoose a mode, then tap an agent