Nonprescription Medicines and Products
Bulking Agents, Stool Softeners, and Laxatives
There are three types of products used to prevent or treat constipation: bulking agents, stool softeners, and laxatives.
Bulking agents, such as bran or psyllium (found in Metamucil, for example) ease constipation by increasing the volume of stool and making it easier to pass. Regular use of bulking agents is safe and helps make them more effective.
Stool softeners (such as Colace and Docusate Calcium) soften the stool, making it easier to pass. Stool softeners can be most effective if you drink plenty of water throughout the day.
Laxatives (such as Correctol, Ex-Lax, Senokot, and Dulcolax) speed up the passage of stool by irritating the lining of the intestines. Regular laxative use is not recommended.
There are many other ways to treat constipation, such as drinking more water. For more information, see the topic Constipation, Age 12 and Older.
Precautions
- Take any laxative or bulking agent with plenty of water or other liquids.
- Do not take laxatives regularly. Overuse of laxatives decreases tone and sensation in the large intestine, causing laxative dependence. If you need help keeping your bowels regular, use a bulking agent.
- Regular use of some laxatives (such as Correctol, Ex-Lax, and Feen-a-Mint) may interfere with your body's ability to absorb vitamin D and calcium. This can lead to weakened bones.
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| Author: | Caroline Rea, RN, BS, MS | Last Updated: May 1, 2008 |
| Medical Review: | Patrice Burgess, MD - Family Medicine Adam Husney, MD - Family Medicine | |
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| Topic Contents | |
| Topic Overview | |
| Antacids and Acid Blockers | |
 | Bulking Agents and Laxatives |
| Antidiarrheals | |
| Cold and Allergy Remedies | |
| Pain Relievers | |
| Related Information | |
| Credits | |