Constipation: What You Should Know

Constipation occurs when a person has difficulty emptying the large bowel. Home remedies and lifestyle changes can often help resolve it, but sometimes, it may need medical attention.

Constipation can happen for many reasons, such as when stool passes through the colon too slowly. The slower the food moves through the digestive tract, the more water the colon will absorb and the harder the feces will become.

A person who poos fewer than three times per week may have constipation. Sometimes, constipation results from a blockage in the large intestine. In this case, the person will need urgent medical attention. At other times, it may simply be due to a lack of fiber or water.

This article will cover the main causes of constipation and how to treat or prevent it.


The main symptoms of constipation are:

  • difficulty passing stool
  • straining when passing stool
  • passing less stool than usual
  • lumpy, dry, or hard stool

Other symptoms include:

What does it mean if a person has abdominal pain as well as constipation?


Constipation on its own can be uncomfortable, but it is typically not life-threatening.

However, it can become a problem if it is a symptom of a more serious underlying condition, such as colorectal cancer, or if it starts to cause further damage.

Damage that can arise as a result of severe constipation includes:

  • Rectal bleeding after straining
  • Anal fissure, which is a small tear around the anus
  • Symptomatic hemorrhoids (piles), which are swollen, inflamed blood vessels in the anus,
  • Fecal impaction, which occurs when dried stool stagnates and collects in the rectum and anus, potentially leading to a mechanical obstruction,

Other possible complications include reduced quality of life and depression.

Seeking medical advice for constipation may help prevent complications.


The following are some common causes of constipation:

Lack of fiber in the diet

People with a high intake of dietary fiber are less likely to experience constipation.

This is because fiber promotes regular bowel movements, especially when a person combines it with proper hydration.

High fiber foods include:

  • fruits
  • vegetables
  • whole grains
  • nuts
  • With lentils, chickpeas, and other legumes

Low fiber foods include:

Physical inactivity

Low levels of physical activity may also lead to constipation.

Some past studies have found that physically fit people, including marathon runners, are less likely to experience constipation than other people, although the exact reasons for this remain unclear.

A study from 2013 notes that increasing mobility might help improve constipation among older adults.

People who spend several days or weeks in bed or sitting in a chair may have a higher risk of constipation.

Some medications

Some medications can also increase the risk of constipation. These include:

Opioid pain relief drugs: These include codeine (present with acetaminophen in Tylenol #3), oxycodone (OxyContin), and hydromorphone (Dilaudid).

Tricyclic antidepressants: These include amitriptyline (Elavil) and imipramine (Tofranil).

Certain anticonvulsants: Examples include phenytoin (Dilantin) and carbamazepine (Tegretol).

Calcium channel blockers: these lower blood pressure, and certain types also lower heart rate. They include diltiazem (Cardizem) and nifedipine (Procardia).

Antacids that contain aluminum: These include Amphojel and Basaljel.

Antacids that contain calcium: One example is Tums.

Diuretics: These remove excess fluid from the body. They include hydrochlorothiazide (Hydrodiuril) and furosemide (Lasix).

Iron supplements: Doctors prescribe these treat iron deficiency anemia.

Irritable bowel syndrome

People with functional intestinal difficulties, such as irritable bowel syndrome (IBS), have a higher risk of constipation than people without the condition.

A person with IBS may experience:

  • abdominal pain
  • bloating
  • distension
  • changes in the frequency or consistency of stools

Constipation can fluctuate over time with IBS. When constipation is not present, there may instead be loose stools with diarrhea.


As people age, the prevalence of constipation tends to increase. Up to 40% of older people in the community and up to 60% of those in institutions may experience constipation.

The exact cause of this remains unclear. It may be that as people age, food takes longer to pass through the digestive tract. Many people also become less mobile, which may also contribute to constipation.

Medical conditions, medications, and a low intake of fiber or water may be other factors that lead to constipation with age.

Changes in routine

When a person travels, for example, their usual routine changes. This can affect the digestive system. In an article from 2008, scientists asked 83 people about the digestive changes they experienced while traveling outside of the United States.

The results showed that 9% of people experienced constipation when they went to another country.

Eating meals, going to bed, and using the bathroom at different times than usual could increase the risk of constipation.

Overuse of laxatives

Some people worry that they do not use the bathroom often enough, and they take laxatives to try to solve this problem. Laxatives can help with bowel movements, but regular use of certain laxatives allows the body to get used to their action.

This may cause a person to continue taking laxatives when they no longer need them. The person may also need higher doses to get the same effect.

In other words, laxatives can be habit-forming especially stimulant laxatives. This means that the more a person depends on laxatives, the greater their risk of constipation when they stop using them.

Overuse of laxatives can also lead to:

  • dehydration
  • An electrolyte imbalance
  • Internal organ damage

Some of these complications can become life-threatening. For this reason, people should talk to a healthcare professional before starting to use laxatives.

Not using the bathroom when necessary

If a person ignores the urge to have a bowel movement, the urge may gradually go away until they no longer feel the need to go.

However, the longer they delay, the drier and harder the stool will become. This will increase the risk of fecal impaction.

Not drinking enough water

Regularly drinking enough water can help reduce the risk of constipation. Other suitable fluids include naturally sweetened fruit or vegetable juices and clear soups.

It is important to note that some liquids can increase the risk of dehydration and make constipation worse for some people. For example, those who are prone to constipation should limit their intake of caffeinated sodas, coffee, and alcohol.

Colorectal problems

Some health conditions affected the colon, which can impede and restrict the passage of stool, leading to constipation.

Examples of such conditions include:

  • cancerous tumors
  • A hernia
  • Scar tissue
  • Diverticulitis
  • Colorectal stricture, which is an abnormal narrowing of the colon or rectum,
  • Inflammatory bowel disease (IBD)

Other conditions

Some other medical conditions can also cause or contribute to constipation.

These include:

Neurological conditions: Multiple sclerosis, Parkinson’s disease, strokes, spinal cord injuries, and chronic intestinal pseudo-obstruction can lead to constipation.

Conditions that involve hormonal function, electrolytes, or renal function: These include uremia, diabetes, hypercalcemia, and hypothyroidism.

Intestinal blockage: This can occur if a tumor blocks or squeezes part of the digestive system.

Conditions that affect the digestive system: Constipation can occur with celiac disease, IBD, and other inflammatory conditions.

Cancer treatment: Chemotherapy and opioid pain relief medications can also trigger constipation.

In children and babies

Constipation can sometimes affect children and babies. The following sections discuss this in more detail.


If a newborn does not pass meconium, their first solid stool, within 48 hours of birth, they may have Hirschsprung’s disease.

This is a condition wherein certain nerve cells are missing from part of the large intestine. The stool is unable to move forward in the affected area of the colon, which causes a backup.

A healthcare provider will usually be able to spot these symptoms and recommend surgery as treatment. In most cases, the outlook is good for babies born with this condition.

Young infants

If a breastfed baby goes a week without passing stool, this is not usually a problem. Breastfed infants do not usually experience constipation.

However, if parents or caregivers have concerns about a baby’s bowel movements, they can seek medical advice.

More commonly, constipation can occur:

  • When an infant first starts taking formula feeds
  • During weaning
  • During potty training
  • At times of stress

If an infant experiences constipation while consuming formula feed, they may benefit from drinking extra water between feeds. Parents and caregivers should not add extra water to the formula, however.

If the infant is already consuming solids, they may need more fiber and water in their diet. Fruit can be a good option. However, do not force children to eat if they do not want to, as this can cause or add to the stress.

During potty training, constipation can occur if a child feels stressed, especially if other changes are occurring, such as starting at nursery. Giving the child plenty of time to empty their bowels may help.

Apart from not passing stool, some symptoms that indicate constipation in children include:

In pregnancy

According to one source, around 40% of women experience constipation during pregnancy.

This can result from:

  • hormonal changes
  • physical changes, such as when the uterus presses on the intestines
  • dietary or physical activity changes

Many women take iron supplements during pregnancy. These can contribute to constipation and other changes in bowel habits.


Constipation usually resolves itself without the need for prescription treatment. In most cases, making lifestyle changes—such as getting more exercise, eating more fiber, and drinking more water —can help.

Allowing time for defecation, without stress or interruption, may also help. People should also not ignore the urge to have a bowel movement.

Laxatives can improve symptoms in the short term, but people should use them with care and only when necessary. This is because some laxatives can have severe adverse effects.

The Food and Drug Administration (FDA) urges people to check with their doctor before using them and to follow the instructions on the label with care.

If constipation persists, people should see a doctor. They may need stronger medication. The doctor may also test for any underlying conditions.

Keeping a record of bowel movements, stool characteristics, and dietary and other factors may help find a suitable treatment.


Some laxatives are available over the counter, while others are available with a prescription.

People should only consider using laxatives if making lifestyle changes has not helped. It is best to check with a doctor before use.

The following are some laxatives and stool softeners that may help ease constipation:

Fiber supplements: Also known as bulk-forming laxatives, these may be the safest option. FiberCon is one example. People should take these with plenty of water. Bulk-forming laxatives are available from pharmacies and to purchase online.

Stimulants: These cause the muscles in the intestines to contract rhythmically. Senokot is one example.

Lubricants: These help the stool move smoothly through the colon. One example is mineral oil (Fleet).

Stool softeners: These moisten the stool. Examples include Colace and Surface.

Osmotics: These draw water into the colon to hydrate the stool and ease movement. Saline laxatives are a type of osmotic.

Neuromuscular agents: These include opioid antagonists and 5-HT4 agonists. They work at specific receptors to regulate movement thru the gut.

Other treatment options

If laxatives do not work, a doctor may need to remove impacted stool manually or surgically.

If constipation does not respond to treatment or if there are other symptoms, a doctor may suggest an abdominal imaging study—such as a CT scanMRI scan, or X-ray—to see if there is a blockage due to an underlying disease process in the gut.

If there is, a person may need specific prescription medications or surgery to resolve it. Depending on the results of the tests and the person’s response to medical or surgical therapy, they may also need further treatment.

Natural remedies

Some methods of easing constipation without using medication include:

Increasing fiber intake

Adults should eat 25–31 grams every day. Fresh fruits and vegetables, as well as fortified cereals, have a high fiber content.

Adding fiber-containing bulking agents to meals can help soften stools and make them easier to pass. One option is to sprinkle a tablespoon of wheat bran onto breakfast cereals or add it to yogurt or smoothies.

Drinking water

Water can help rehydrate the body and prevent constipation.

Getting regular exercise

This can help make bodily processes more regular, including the passing of stools.

Establishing a routine

Have a usual place and time of day to visit the bathroom without forcing a stool.

Avoiding holding in stools

Responding to the body’s urges to pass stools can help prevent constipation.

Elevating the feet

Some people find it easier to pass stools during a bowel movement if they place their feet on a low platform, such as a step, with their knees above hip level.

Complementary and alternative remedies

Other possible therapies include acupuncture, massage, herbal remedies, and moxibustion, which involves stimulating acupuncture points with the herb mugwort.

One 2015 study concluded that acupuncture and herbal remedies may help, but more evidence is needed to confirm the usefulness of these methods.

That being said, the use of herbal remedies is complex, and people should always speak to a doctor before trying anything new, as it can have adverse effects.

Anyone who has concerns about constipation should speak to their doctor.

When to see a doctor

People should seek medical attention for constipation if the following symptoms also develop:

  • severe discomfort or worsening symptoms.
  • constipation that starts suddenly without a clear reason.
  • Ongoing constipation that has not responded to lifestyle changes
  • Blood in the stool or bleeding from the rectum
  • constant pain in the abdomen or lower back.
  • difficulty passing gas
  • A fever
  • vomiting
  • Weight Loss: unexpected weight loss


Constipation is a common occurrence that can result from dietary habits, medical conditions, and a range of other factors.

If possible, it is best to resolve it using home remedies, such as eating more fiber, drinking more water, and getting regular exercise.

If a person has severe symptoms or discomfort, if constipation comes on suddenly, or if symptoms get worse, they should speak to their doctor.

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