Laxatives for Constipation: Types, Risks, and Side Effects (2024)

Per the Cleveland Clinic, common types of laxatives include:

Bulking agents: These fiber-based laxatives increase the water content and bulk of the stool, making it move more easily through the intestinal tract.

They typically take 12 to 72 hours to work.

Examples include psyllium (Metamucil); methylcellulose (Citrucel); and high-fiber foods, such as fruits, vegetables, and whole grains.

Stool softeners: Also called emollient laxatives, stool softeners cause fats and water to penetrate to the stool, making it move more easily through the digestive system.

They typically take 12 to 72 hours to work. Examples include Colace (Docusate, Diocto).

Stimulant laxatives: These stimulate the lining of the intestine to propel the stool along.

They provide very quick relief but should only be used occasionally. Examples include Senokot, Correctol, and Bisacodyl (Dulcolax, Feen-a-Mint)

Osmotic and hyperosmolar laxatives: These draw fluids into the intestine from the surrounding tissues, making stool softer and easier to pass.

They may take 30 minutes to six hours to work, depending on the type. Examples include Milk of Magnesia, lactulose, and Miralax.

Lubricant laxatives: These make stool slippery, so it moves through the intestine more easily and quickly.

They typically take six to eight hours to work. Examples of these includemineral oil and glycerin suppositories.

Prescription-only laxatives: Most laxatives can be bought over the counter and are meant for short-term use, but if you have chronic constipation or a digestive condition like irritable bowel syndrome (IBS), you may need to use prescription laxatives under the supervision of your doctor. These laxatives aren’t intended for rapid relief but rather help keep you regular if constipation is an ongoing issue.

Prescription laxatives include: Enulose (Duphalac), Linzess (Linaclotide), Amitiza (Lubiprodtone) and Trulance (Pleclanatide).

Laxatives for Constipation: Types, Risks, and Side Effects (2024)

FAQs

Laxatives for Constipation: Types, Risks, and Side Effects? ›

Fiber is the laxative most doctors recommend for normal and slow-transit constipation. Abdominal cramping, bloating, or gas can occur when abruptly increasing or changing your dietary fiber intake. Fiber is naturally available in fruits, vegetables, and whole grains (especially wheat bran).

What is the safest laxative to take every day? ›

Fiber is the laxative most doctors recommend for normal and slow-transit constipation. Abdominal cramping, bloating, or gas can occur when abruptly increasing or changing your dietary fiber intake. Fiber is naturally available in fruits, vegetables, and whole grains (especially wheat bran).

What is the least damaging laxative? ›

Bulk-forming laxatives (fiber supplements)

The size increase stimulates your colon to contract and push the stool out. These laxatives are generally considered the gentlest. They're least likely to cause side effects and often the best laxative to try first — unless your provider recommends a different type.

Which patient should not use a laxative? ›

Although laxatives are available over-the-counter, they're not suitable for everyone. Laxatives aren't usually recommended for children, unless advised by a doctor, and some types of laxatives may not be safe to use if you have certain conditions, such as Crohn's disease or ulcerative colitis.

When should laxatives be avoided? ›

Do not take any type of laxative: if you have signs of appendicitis or inflamed bowel (such as stomach or lower abdominal pain, cramping, bloating, soreness, nausea, or vomiting). Instead, check with your doctor as soon as possible.

Is it bad to take MiraLAX every day? ›

General guidelines state that you can take MiraLAX every day for up to a week.

Which of the following laxatives is safest for long-term use? ›

Bulk-forming laxatives, such as psyllium (Metamucil), Citracel, and FiberCon, are generally safe and also are a source of dietary fiber. When used in higher than recommended doses, bulk-forming laxatives can cause intestinal problems and block absorption of other nutrients.

What laxative do doctors recommend most? ›

In general, fiber supplements are the gentlest on your body. These also are called bulk-forming laxatives. Metamucil and Citrucel fall into this category.

What is the best laxative for constipation for seniors? ›

Macrogols are often preferred to lactulose when treating older people with constipation due to greater evidence of efficacy. Macrogol 3350 includes sodium chloride (350.7 mg), sodium bicarbonate (178.5 mg) and potassium chloride (46.6 mg).

How to loosen a bowel blockage at home? ›

Here are 13 natural home remedies to relieve constipation.
  1. Drink more water. ...
  2. Eat more fiber, especially soluble, non-fermentable fiber. ...
  3. Exercise more. ...
  4. Drink coffee, especially caffeinated coffee. ...
  5. Take Senna, an herbal laxative. ...
  6. Eat probiotic foods or take probiotic supplements. ...
  7. Over-the-counter or prescription laxatives.

How do you push out a big hard stool? ›

Follow these 4 simple steps to relieve the symptoms of constipation and pass stool easily.
  1. Keep your knees higher than your hips – a foot stool may help with this.
  2. Lean forwards and put your elbows on your knees.
  3. Bulge out your abdomen.
  4. Straighten your spine.
Feb 10, 2023

Why do I keep passing gas but not pooping? ›

Why do people have so much gas but cannot poop? Factors such as not drinking enough fluids or not eating enough fiber can cause constipation and make the stool hard to pass. A person can speak with their doctor to assess why they have constipation and gas.

Which laxative should be avoided in elderly? ›

Because of the possible adverse effects of long-term use in older persons, stimulant laxatives should be used only after fiber and osmotic laxatives have been tried.

Will impacted stool eventually come out? ›

When you have a fecal impaction, you'll need to have the hard mass of stool removed from your colon or rectum to get better. It won't go away on its own, and it can lead to death if it's allowed to worsen.

What is the best natural laxative for constipation? ›

Natural laxatives include foods rich in magnesium, fiber, and probiotics, as well as drinks like water, prune juice, and coffee. Certain herbs, such as senna, ginger, peppermint, and aloe vera, can also help to keep your bowel movements more regular. Using natural laxatives to relieve constipation is usually safe.

Is taking a laxative once a week safe? ›

Using laxatives for longer than one week can cause loss of bowel muscle tone. Because your muscles become weak, you may have trouble passing stool on your own. Laxatives can cause long-term constipation, but they can cause diarrhea too. Damage.

Is there a laxative that can be taken daily? ›

Do not take laxatives every day to ease your constipation as this can be harmful. Speak to a GP if you're still constipated after making lifestyle changes. In some cases, you may be prescribed a laxative to use regularly, but this should always be supervised by a GP or gastroenterologist (a specialist in gut problems).

What is the best supplement for regular bowel movements? ›

The Top 7 Supplements To Get Things Moving
  1. Probiotics. Probiotic-rich foods, as well as probiotic supplements, can increase stool frequency. ...
  2. Magnesium. Magnesium oxide supplements can help bring water to the intestine and help move the bowels. ...
  3. Vitamin C. ...
  4. Vitamin B-12. ...
  5. Fiber supplement. ...
  6. Castor oil. ...
  7. Psyllium husk.

Can I take Dulcolax daily? ›

Long-term use of DULCOLAX is not recommended. If you use DULCOLAX every day, you should consult with your doctor to find out the cause of your constipation. Long-term and excessive use of DULCOLAX may cause an imbalance of salts in the body (including low potassium), muscle weakness and kidney problems.

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