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But not all laxatives are safe for long-term use. Overuse of certain laxatives may lead to dependency and decreased bowel function.</p></em><a href="/about-this-site/meet-our-medical-editors">By Mayo Clinic Staff</a></div> <p>If you've ever been constipated, you may have tried nonprescription laxatives. A number of factors can disrupt the bowels and cause constipation. These include diet, fluid intake, physical activity and several medicines.</p> <p>Many different types of laxatives are available without a prescription. They may be safe and effective to treat constipation once in a while. But it's very important to read the label carefully and use them as directed. Overuse of laxatives has been linked to serious health conditions. And you could become dependent on them for a bowel movement.</p> <p>Call your healthcare team immediately if you have:</p> <ul> <li>Severe stomach cramps or pain.</li> <li>Unexplained changes in bowel patterns.</li> <li>Severe diarrhea.</li> <li>Bloody stools or rectal bleeding.</li> <li>Constipation that lasts longer than seven days even with laxative use.</li> <li>Weakness or unusual tiredness.</li> <li>Dizziness.</li> </ul><p>How often you have a bowel movement can vary. You might have as many as three bowel movements a day or as few as three a week. If you are having fewer bowel movements than usual, you might be constipated. Also, constipation may involve stools that are difficult to pass because they're hard, dry or small.</p> <p>Before turning to laxatives, try these lifestyle changes to help with constipation:</p> <ul> <li><strong>Eat fiber-rich foods.</strong> These include wheat bran, fresh fruits and vegetables, and oats. The average adult should get 25 to 31 grams of fiber per day.</li> <li><strong>Drink plenty of fluids daily.</strong> Try to drink about 8 to 10 glasses of caffeine-free and alcohol-free fluids throughout the day. A glass is 8 ounces.</li> <li><strong>Exercise regularly.</strong></li> </ul> <p>Lifestyle improvements relieve constipation for many people. But if constipation continues after making these changes, your next choice may be a mild laxative.</p><p>Laxatives work in different ways. How well each laxative type works varies from person to person. In general, fiber supplements are the gentlest on your body. These also are called bulk-forming laxatives. Metamucil and Citrucel fall into this category. Here are some examples of different laxatives. Even though many laxatives are available without a prescription, it's best to talk to your healthcare team first. They can help decide the safest kind of laxative for you.</p> <table summary="Examples of laxatives, how they work and side effects"> <thead> <tr> <th scope="col">Type of laxative (brand examples)</th> <th scope="col">How they work</th> <th scope="col">Side effects</th> </tr> </thead> <tbody> <tr> <td scope="row">Oral osmotics (Phillips' Milk of Magnesia, MiraLAX, Magnesium Hydroxide, Polyethylene glycol)</td> <td>Draw water into the colon to allow easier passage of stool</td> <td>Bloating, cramping, diarrhea, nausea, gas, increased thirst</td> </tr> <tr> <td scope="row">Oral bulk formers (Benefiber, Citrucel, FiberCon, Metamucil)</td> <td>Absorb water to form soft, bulky stool, prompting normal contraction of intestinal muscles</td> <td>Bloating, gas, cramping or increased constipation if not taken with enough water</td> </tr> <tr> <td scope="row">Oral stool softeners (Colace, Surfak, Docusate Calcium)</td> <td>Add moisture to stool to soften stool, allowing strain-free bowel movements</td> <td>Electrolyte imbalance if used for a long time</td> </tr> <tr> <td scope="row">Oral stimulants (Dulcolax, Senokot Bisacodyl, Senna/Sennosides)</td> <td>Trigger rhythmic contractions of intestinal muscles to eliminate stool</td> <td>Belching, cramping, diarrhea, nausea, urine discoloration with senna and cascara derivatives</td> </tr> <tr> <td scope="row">Rectal suppositories (Dulcolax, Bisacodyl, Pedia-Lax)</td> <td>Trigger rhythmic contractions of intestinal muscles and soften stool</td> <td>Rectal irritation, diarrhea, cramping</td> </tr> </tbody> </table> <p>Oral laxatives can change how your body absorbs some medicines and nutrients. After long-term use, some laxatives can lead to an electrolyte imbalance or other serious health issues. Electrolytes include calcium, chloride, potassium, magnesium and sodium. They regulate several body functions. An imbalance of electrolytes can cause heart rhythm changes, weakness, confusion and seizures.</p><p>Some products combine different types of laxatives, such as a stimulant and a stool softener. But combination products don't necessarily work better than single-ingredient products. Also, they may be more likely to cause side effects.</p> <p>A single-ingredient laxative may work better for you. Read labels to make sure you know what you're taking and use with caution.</p><ul> <li><strong>Interaction with medicines.</strong> Your medical history and medicines you're taking may limit your laxative options. Laxatives can interact with many medicines including certain antibiotics, heart and bone medicines. Read labels carefully. If you're not sure whether a certain laxative is safe for you, ask a healthcare professional. Take the recommended dosage. Don't take more unless your doctor tells you otherwise.</li> <li><strong>Complicating conditions.</strong> Laxative use can be dangerous if constipation is caused by a serious condition. This includes a bowel blockage, also called an intestinal obstruction.</li> <li><strong>Dependency.</strong> Using laxatives too much for weeks or months can make constipation worse. This happens because they can decrease your colon's ability to contract.</li> <li><strong>Precautions for pregnant women and children.</strong> Don't give laxatives to children under age 6 without a healthcare professional's recommendation. If you're pregnant, ask your healthcare team before using laxatives. Bulk-forming laxatives and stool softeners are generally safe to use during pregnancy. But stimulant laxatives may be harmful.</li> <li><strong>Precautions for nursing mothers.</strong> If you've recently given birth, talk to a healthcare professional before using laxatives. Although they may be safe to use during breastfeeding, some ingredients may pass into breast milk. This may cause diarrhea in nursing infants.</li> </ul> <p>Using laxatives incorrectly can cause serious health conditions. If you need laxatives to have a bowel movement, talk to your healthcare team. They will guide you on how to slowly withdraw from them. This should restore your colon's natural ability to contract.</p> <div class="expandable references open"><h3>Show References</h3> <div id="dvReferenceListPC"> <ol> <li>Wald A. Management of chronic constipation in adults. https://www.uptodate.com/contents/search. Accessed Nov. 14, 2023.</li> <li>Sharma A, et al. Review article: Diagnosis, management and patient perspectives of the spectrum of constipation disorders. Alimentary Pharmacology and Therapeutics. 2021; doi:10.1111/apt.16369.</li> <li>AskMayoExpert. Constipation (adult). Mayo Clinic; 2023.</li> <li>Dunlap JJ, et al. Constipation. Gastroenterology Nursing. 2021; doi:10.1097/SGA.0000000000000632.</li> <li>Laxative (oral route). IBM Micromedex. https://www.micromedexsolutions.com. Accessed Nov. 14, 2023.</li> <li>Schoenfeld P. AGA-ACG clinical practice guideline on chronic idiopathic constipation treatments: Parsing benefits and risks. American Journal of Gastroenterology 2023; doi: 10.14309/ajg.0000000000002227.</li> <li>Friedman S, et al., eds. Chapter 22: Chronic constipation and fecal incontinence. In: Greenberger's Current Diagnosis & Treatment: Gastroenterology, Hepatology & Endoscopy. 4th ed. McGraw Hill; 2022. https://accessmedicine.mhmedical.com. Accessed Nov. 14, 2023.</li> <li>Yang Z, et al. Association between regular laxative use and incident dementia in UK biobank participants. Neurology. 2023; doi:10.1212/WNL.0000000000207081.</li> <li>Emmett M, et al. Acid-base and electrolyte abnormalities with diarrhea. https://www.uptodate.com/contents/search. Accessed Dec. 11, 2023.</li> </ol> </div> </div> <span class="moddate">Jan. 26, 2024</span><p class="articlefooter">Original article: <a href="https://www.mayoclinic.org/diseases-conditions/constipation/in-depth/laxatives/ART-20045906">https://www.mayoclinic.org/diseases-conditions/constipation/in-depth/laxatives/ART-20045906</a></p> </div> <div class="clearfix"> . </div> </div> <h2 class="hide">Mayo Clinic Footer</h2> <div id="footer" role="contentinfo"> <div class="sub footercopy"><div class="p-4"><h3>Legal Conditions and Terms</h3><p>Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below. <ul> <li><a href="/about-this-site/terms-conditions-use-policy">Terms and Conditions</a></li> <li><strong><a href="/about-this-site/privacy-policy">Privacy Policy</a></strong></li> <li><strong><a href="https://www.mayo.edu/pmts/mc5200-mc5299/mc5256-01.pdf">Notice of Privacy Practices</a></strong></li> <li><a href="https://mcforms.mayo.edu/mc2500-mc2599/mc2570-61.pdf">Notice of Nondiscrimination</a></li> <li><a href="#" id="privacyManageCookies" onclick="Bootstrapper.gateway.openBannerCustom();">Manage Cookies</a></li> </ul></p></div><div class="p-4"><h3>Advertising</h3><p>Mayo Clinic is a nonprofit organization and proceeds from Web advertising help support our mission. 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