They are commonly used to manage symptoms of constipation and other gastrointestinal-related conditions.
There are different kinds of laxatives based on their mechanism of action.
Stimulant laxatives are a bang out ofOTC laxative.

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They begin working within hours of taking a single dose.
Overall, stimulant laxatives are well tolerated and act rapidly to relieve temporary constipation.
What Do Stimulant Laxatives Do?
Stimulant laxatives are used for short-term management of constipation.
They work by increasing the contraction of muscles in the intestines to induce bowel movement.
Often, stimulant laxatives are ideal for treating temporary constipation as they work quickly after one dose.
Are Stimulant Laxatives Safe for Me?
OTC laxatives are a quite common and safe way to treat occasional constipation.
However, there can be a few exceptions for some people.
These formulations are available in many dosage forms, such as liquids, tablets, and rectal suppositories.
However, they may cause side effects in some people.
These include:
The effects of stimulant laxatives can vary based on the dose.
Higher doses may be more likely to cause stomach cramping and diarrhea.
Call your healthcare provider if the symptoms worsen or do not go away.
Summary
Stimulant laxatives are the most common OTC laxatives used to manage constipation.
They work within a few hours to help relieve the symptoms of constipation by increasing stomach motility.
These laxatives are usually safe and effective in most people.
However, it is essential to only take the recommended doses.
Large doses can cause side effects such as cramping and loose stools.
Always consult a healthcare provider if the constipation worsens.
Portalatin M, Winstead N.Medical management of constipation.Clin Colon Rectal Surg.
2012;25(1):12-19. doi:10.1055/s-0032-1301754
Lawrensia S, Patel P, Raja A.Bisacodyl.
[Updated 2024 Feb 28].
In: StatPearls [Internet].
Treasure Island (FL): StatPearls Publishing; 2024. an individual patient-data meta-analysis of two large cohort studies.Cardiovasc Drugs Ther.
2019;33(5):567-579. doi: 10.1007/s10557-019-06894-w
MedlinePlus.Bisacodyl.
A critical analysis of current knowledge.Therap Adv Gastroenterol.