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Constipation is a common condition that affects people of all ages. It can mean that you're not passing stools regularly or you're unable to completely empty your bowel.
Constipation can also cause your stools to be hard and lumpy, as well as unusually large or small.
The severity of constipation varies from person to person. Many people only experience constipation for a short time, but for others, constipation can be a long-term (chronic) condition that causes significant pain and discomfort and affects quality of life.
It's often difficult to identify the exact cause of constipation. However, there are a number of things that contribute to the condition, including:
In children, poor diet, fear about using the toilet and problems toilet training can all lead to constipation.
Constipation can occur in babies, children and adults. It's estimated that around one in every seven adults and up to one in every three children in the UK has constipation at any one time.
The condition affects twice as many women as men and is also more common in older adults and during pregnancy.
You may be able to treat constipation yourself by making simple changes to your diet and lifestyle (see below). If these changes don't help and the problem continues, you should see your doctor.
Also speak to your doctor if you think your child might be constipated.
Diet and lifestyle changes are usually recommended as the first treatment for constipation.
This includes gradually increasing your daily intake of fibre, making sure you drink plenty of fluids, and trying to get more exercise.
If these aren't effective, your doctor may prescribe an oral laxative medication that can help you empty your bowels.
Treatment for constipation is effective, although in some cases it can take several months before a regular bowel pattern is re-established.
Making the diet and lifestyle changes mentioned above can also help to reduce your risk of developing constipation in the first place.
Giving yourself enough time and privacy to pass stools comfortably may also help, and you should try not to ignore the urge to go to the toilet.
For most people constipation rarely causes complications, but people with long-term constipation can develop:
When you're constipated, passing stools becomes more difficult and less frequent than usual.
Normal bowel habits vary from person to person. Some adults go to the toilet more than once a day, whereas others may only go every three or four days. Similarly, some infants pass stools several times a day, while others only pass them a few times a week.
If you or your child pass stools less than usual, it could be a sign of constipation.
It may also be more difficult to pass stools and you may feel unable to empty your bowel completely. Your stools may appear dry, hard and lumpy, as well as abnormally large or small.
Other symptoms of constipation can include:
As well as infrequent or irregular bowel movements, a child with constipation may also have any of the following symptoms:
You may be able to treat constipation yourself by making simple changes to your diet and lifestyle. However, you should see your doctor if these changes don't help.
You should also see your doctor for advice if you notice any rectal bleeding , unexplained weight loss or persistent tiredness.
Take your child to see your doctor if you think they are constipated. Laxatives are often recommended for children alongside diet and lifestyle changes.
Constipation usually occurs when stools remain in the colon (large intestine) for too long, and the colon absorbs too much water from the stools, causing them to become hard and dry.
Most cases of constipation aren't caused by a specific condition and it may be difficult to identify the exact cause. However, several factors can increase your chances of having constipation, including:
Constipation may sometimes be a side effect of a medicine you're taking. Common types of medication that can cause constipation include:
If constipation is caused by medication, the condition will usually ease once you stop taking the medicine. However, you shouldn't stop taking any prescribed medication unless your doctor advises you to.
Speak to your doctor if you have constipation that's caused by a medicine. They may be able to prescribe an alternative.
About two in every five women experience constipation during their pregnancy, mostly during the early stages.
Constipation occurs during pregnancy because your body produces more of the female hormone progesterone, which acts as a muscle relaxant.
The bowel normally moves stools and waste products to the anus by a process known as peristalsis. This is when the muscles lining the bowel contract and relax in a rippling, wave-like motion. An increase in progesterone makes it more difficult for the bowel muscles to contract, making it harder to move waste products along.
If you're pregnant, there are ways to safely treat constipation without harming you or your baby. Read more about treating constipation.
In rare cases, constipation can be a sign of an underlying condition, such as:
Constipation in babies and children is quite common. It's estimated that up to one in every three children in the UK has constipation at any time. Poor diet, fear about using the toilet and poor toilet training can all be responsible.
Children who are over-fed are more likely to have constipation, as are those who don't get enough fluids. Babies who have too much milk are also more likely to get constipation. As with adults, it's very important that your child has enough fibre in their diet.
It's important that you don't make your child feel stressed or pressured about using the toilet. It's also important to let your children try things by themselves (when appropriate). Constantly intervening when they're using the toilet may make them feel anxious and may contribute to constipation.
Some children can feel stressed or anxious about using the toilet. They may have a phobia about using the toilet, or feel they are unable to use the toilets at school.
This fear may be the result of your child experiencing pain when passing stools. This can lead to poor bowel habits, where children ignore the urge to pass stools and instead withhold them for fear of experiencing pain and discomfort. However, if they do this, their condition will only get worse.
In rare cases, constipation in babies and children can be a sign of an underlying condition, such as:
Constipation is a very common condition. Your doctor won't usually need to carry out any tests or procedures, but will confirm a diagnosis based on your symptoms and medical history.
Your doctor will ask you some questions about your bowel habits. Don't feel embarrassed about discussing this with your doctor. It's important they're aware of all of your symptoms, so they can make the correct diagnosis.
Your doctor may also ask questions about your diet, level of exercise and whether there have been any recent changes to your routines.
Doctors define constipation in a number of ways:
If your doctor thinks you may have faecal impaction (when dry, hard stools collect in your rectum), they may carry out a physical examination.
A typical examination will begin with you lying on your back, while the doctor feels your abdomen (tummy). You'll then lie on your side while your doctor carries out a rectal examination using a lubricated, gloved finger. Your doctor will be able to feel for any stools that may have collected.
An internal physical examination rarely needs to be carried out on a child. Instead, the diagnosis can usually be made by feeling the child's tummy.
If you're experiencing severe symptoms, your doctor may request further tests, such as blood tests or thyroid tests, to diagnose or rule out other conditions.
Other tests you may have include:
As there's an increased risk of bowel cancer in older adults, your doctor may also request tests to rule out a diagnosis of cancer, including a computerised tomography (CT) scan or colonoscopy.
Treatment for constipation depends on the cause, how long you've had it and how severe your symptoms are.
In many cases, it's possible to relieve the symptoms by making dietary and lifestyle changes.
The various treatments for constipation are outlined below. You can also read a summary of the pros and cons of the treatments for constipation .
Changes to diet and lifestyle are often recommended as the first treatment for constipation. In many cases, this will improve the condition without the need for medication.
Some self-help methods of treating constipation are listed below:
Read about preventing constipation for more ways to change your diet and lifestyle.
Your doctor may prescribe an oral laxative if diet and lifestyle changes don't help.
Laxatives are a type of medicine that help you pass stools. There are several different types of laxative and each one has a different effect on your digestive system.
Your doctor will usually start you on a bulk-forming laxative. These work by helping your stools to retain fluid. This means they're less likely to dry out, which can lead to faecal impaction . Bulk-forming laxatives also make your stools softer, which means they should be easier to pass.
Commonly prescribed bulk-forming laxatives include ispaghula husk, methylcellulose and sterculia. When taking this type of laxative, you must drink plenty of fluids, and don't take them before going to bed. It will usually be two to three days before you feel the effects of a bulk-forming laxative.
If your stools remain hard after you've taken a bulk-forming laxative, your doctor may prescribe an osmotic laxative instead. Osmotic laxatives increase the amount of fluid in your bowels. This softens your stools and stimulates your body to pass them.
Commonly prescribed osmotic laxatives include lactulose and macrogols. As with bulk-forming laxatives, make sure you drink enough fluids. It will usually be two to three days before you feel the effect of the laxative.
If your stools are soft, but you still have difficulty passing them, your doctor may prescribe a stimulant laxative. This type of laxative stimulates the muscles that line your digestive tract, helping them to move stools and waste products along your large intestine to your anus.
The most commonly prescribed stimulant laxatives are senna, bisacodyl and sodium picosulphate. These laxatives are usually only used on a short-term basis, and they start to work within 6 to 12 hours.
According to your individual preference and how quickly you need relief, your doctor may decide to combine different laxatives.
If you've had constipation for a short time, your doctor will usually advise you to stop taking the laxative once your stools are soft and easily passed.
However, if your constipation is caused by an underlying medical condition or a medicine you're taking, you may have to take laxatives for much longer, possibly many months or even years.
If you've been taking laxatives for some time, you may have to gradually reduce your dose, rather than coming off them straight away. If you have been prescribed a combination of laxatives, you'll normally have to reduce the dosage of each laxative, one at a time, before you can stop taking them. This can take several months.
Your doctor will advise you about when it's best to stop taking laxatives.
Faecal impaction occurs when stools become hard and dry and collect in your rectum. This obstructs the rectum, making it more difficult for stools to pass along.
Sometimes as a result of impaction, overflow diarrhoea may occur (where loose stools leak around the obstruction). You may have difficulty controlling this.
If you have faecal impaction, you'll initially be treated with a high dose of the osmotic laxative macrogol. After a few days of using macrogol, you may also have to start taking a stimulant laxative.
If you don't respond to these laxatives, and/or if you have overflow diarrhoea, you may need one of the medications described below.
If you're pregnant, there are ways for you to safely treat constipation without harming you or your baby. Your doctor will first advise you to change your diet by increasing fibre and fluid intake. You'll also be advised to do gentle exercise.
If dietary and lifestyle changes don't work, you may be prescribed a laxative to help you pass stools more regularly.
Lots of laxatives are safe for pregnant women to use because most aren't absorbed by the digestive system. This means that your baby won't feel the effects of the laxative.
Laxatives that are safe to use during pregnancy include the osmotic laxatives lactulose and macrogols. If these don't work, your doctor may recommend taking a small dose of bisacodyl or senna (stimulant laxatives).
However, senna may not be suitable if you're in your third trimester of pregnancy, because it's partially absorbed by your digestive system.
Read more about constipation and other common pregnancy problems.
If your baby is constipated but hasn't started to eat solid foods, the first way to treat them is to give them extra water between their normal feeds. If you're using formula milk, make the formula as directed by the manufacturer and don't dilute the mixture.
You may want to try gently moving your baby's legs in a bicycling motion or carefully massaging their tummy to help stimulate their bowels.
If your baby is eating solid foods, give them plenty of water or diluted fruit juice. Try to encourage them to eat fruit, which can be puréed or chopped, depending on their ability to chew. The best fruits for babies to eat to treat constipation are:
Never force your baby to eat food if they don't want to. If you do, it can turn mealtimes into a battle and your child may start to think of eating as a negative and stressful experience.
If your baby is still constipated after a change in diet, they may have to be prescribed a laxative. Bulk-forming laxatives aren't suitable for babies, so they'll usually be given an osmotic laxative. However, if this doesn't work, they can be prescribed a stimulant laxative.
For children, laxatives are often recommended alongside changes to diet. Osmotic laxatives are usually tried first, followed by a stimulant laxative if necessary.
As well as eating fruit, older children should have a healthy, balanced diet, which also contains vegetables and wholegrain foods, such as wholemeal bread and pasta.
Try to minimise stress or conflict associated with meal times or using the toilet. It's important to be positive and encouraging when it comes to establishing a toilet routine. Allow your child at least 10 minutes on the toilet, to make sure they've passed as many stools as possible.
To encourage a positive toilet routine, try making a diary of your child's bowel movements linked to a reward system. This can help them focus on using the toilet successfully.
There are a number of things you can do to prevent constipation, including making diet and lifestyle changes.
Including enough fibre in your diet can significantly reduce your chances of developing constipation. Most adults don't eat enough fibre.
You should aim to have about 30g of fibre a day. You can increase your fibre intake by eating more:
Eating more fibre will keep your bowel movements regular, because it helps food pass through your digestive system more easily. Foods high in fibre also make you feel fuller for longer.
It's important to increase your fibre intake gradually, because a sudden increase may make you feel bloated. Suddenly increasing your intake of fibre may also cause you to produce more wind (flatulence) and experience stomach cramps.
Read more about how to increase your intake of fibre and eating a healthy, balanced diet.
Make sure you drink plenty of fluids to avoid dehydration , and steadily increase your intake when exercising or when it's hot. Try to cut back on the amount of caffeine, alcohol and fizzy drinks you consume.
Never ignore the urge to go to the toilet, because it can significantly increase your chances of having constipation.
When going to the toilet, make sure you have enough time and privacy to pass stools comfortably.
Keeping active and mobile will greatly reduce your risk of getting constipation. You should do at least 150 minutes of physical activity every week.
As well as regular exercise reducing your risk of becoming constipated, it will also leave you feeling healthier and improve your mood, energy levels and general fitness.
Read more about health and fitness and physical activity guidelines for adults.
Constipation rarely causes any complications or long-term health problems. Treatment is usually effective, particularly if it's started promptly.
However, if you have long-term (chronic) constipation, you may be more at risk of experiencing complications.
Continually straining to pass stools can cause pain, discomfort and rectal bleeding .
In some cases, bleeding is the result of a small tear around the anus ( anal fissure ), but it's more often caused by haemorrhoids (piles) . Piles are swollen blood vessels that form in the lower rectum and anus.
As well as bleeding, piles can also cause pain, itching around the anus, and swelling of the anus.
The symptoms of piles often settle down after a few days without treatment. However, creams and ointments are available to reduce any itching or discomfort.
See your doctor as soon as possible if you experience any rectal bleeding.
Long-term constipation can increase the risk of faecal impaction, which is where dried, hard stools collect in your rectum and anus.
Once you have faecal impaction, it's very unlikely that you'll be able to get rid of the stools naturally.
Faecal impaction makes constipation worse because it's harder for stools and waste products to pass out of your anus, as the path is obstructed.
Faecal impaction can sometimes lead to a number of other complications, including:
Faecal impaction is usually treated with laxative medication, although suppositories (medication inserted into the anus) and mini enemas(where medicine in fluid form is injected through your anus) may sometimes be used.
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.