constipation flare ups

Overview

A constipation flare-up is a period when constipation symptoms suddenly get worse or return. Constipation means having fewer than three bowel movements a week, or having stools that are hard, dry, painful, or difficult to pass. A flare-up can last a few days or longer and is often triggered by something specific, like a change in diet, travel, stress, or taking a certain medicine.

Yes, constipation is one of the most common digestive problems in the world, and flare-ups are normal for many people who already have constipation. They can happen at any age.

Constipation flare-ups can affect anyone, but they are more common in older adults, pregnant women, people who eat a low-fibre diet, and people with conditions like irritable bowel syndrome (IBS). Children can also have them, especially around toilet training or when they are at school.

Symptoms

Common symptoms

• Feeling bloated or swollen in the belly
• Stomach cramps or pain
• Straining when trying to pass stools
• Hard, dry, or lumpy stools
• Feeling like you have not fully emptied after a poo
• Having fewer than three bowel movements in a week
• Feeling like there is a blockage in your back passage

Symptoms in children

• Poos that are hard, dry, or unusually large
• Pain when doing a poo
• Tummy pain or cramps
• Wetting or soiling underwear because of constipation
• Irritability, refusing the toilet, or hiding to hold in poo

Symptoms in older adults

• The same common symptoms as anyone else
• Feeling confused or unusually tired due to discomfort
• Hard stools that are very difficult to pass
• Accidental leakage of liquid stools (overflow diarrhoea)
• Loss of appetite or feeling full quickly

Causes

Main causes

• A diet low in fibre and high in processed foods
• Not drinking enough fluids
• Ignoring the urge to poo
• Lack of physical activity
• Stress or a change in routine, such as travel
• Some medicines, including certain painkillers and antidepressants
• Holding in poo for long periods, such as during a long trip
• Hormone changes, such as in pregnancy or an underactive thyroid

Risk factors

• Being older
• Being female, especially around pregnancy or menopause
• Eating a low-fibre diet
• Not exercising regularly
• Having a weak pelvic floor
• Living with irritable bowel syndrome (IBS)
• Having diabetes or a thyroid condition
• Having Parkinson's disease or multiple sclerosis
• Taking certain medicines for pain, depression, or blood pressure

When to see a doctor

See a doctor urgently if:

• You have severe pain, vomiting, or cannot pass gas
• You have blood in your stool and feel faint or weak
• You have not had a bowel movement for more than 5 to 7 days and are very uncomfortable

Book a routine appointment if:

• Constipation started suddenly and does not improve after 3 weeks of home care
• You need laxatives regularly to have a poo
• You have a fever, nausea, or unexplained weight loss
• You see blood on the toilet paper or in your stool that is not from a visible tear
• You have a family history of bowel cancer and are worried about symptoms
• Your constipation keeps coming back or is getting worse despite diet and lifestyle changes

Diagnosis

Your doctor will ask about your symptoms, how often you poo, what your stools look like, and any medicines or medical conditions you have. They may gently press on your belly to check for discomfort. Sometimes they may do a rectal examination, where they use a gloved finger to check the muscles near your back passage. It can feel uncomfortable but is quick and helps rule out more serious issues.

Tests that may be done

• Blood tests to check for thyroid problems or other conditions
• A stool sample to look for infection or inflammation
• An X-ray or ultrasound to check for blockages in the bowel
• A colonoscopy or sigmoidoscopy to look inside the bowel if needed

What to expect at your appointment

Usually no tests are needed for a simple constipation flare-up. Your doctor may give lifestyle advice and suggest a short-term remedy. If tests are needed, they will explain why and what to expect. It helps to bring a list of your symptoms and questions so you do not forget anything.

Treatment

Treatment begins with gentle diet and lifestyle changes. For short-term relief, a doctor or pharmacist may suggest an over-the-counter product like a fibre supplement, stool softener, or laxative. These should be used only occasionally and with professional advice. If an underlying condition or medicine is causing the flare-up, your doctor will treat that too.

Self-care at home

• Drink 6 to 8 glasses of water a day, unless your doctor tells you otherwise
• Eat more high-fibre foods like vegetables, fruit, beans, lentils, and whole grains
• Add fibre gradually to avoid bloating and gas
• Go for a walk or do gentle exercise to encourage your bowels to move
• Set a regular time each day to use the toilet, such as after breakfast
• Do not ignore the urge to poo – go when you feel the need
• Relax on the toilet and give yourself enough time
• Use a small footstool under your feet so your knees are above your hips, like a squatting position

Medical treatments

Medicines for constipation are called laxatives. They work in different ways: some add bulk to the stool, some soften it, and some stimulate the bowel to push things through. Your doctor or pharmacist can help you choose a safe option for a short period. Some people need prescription medicines for long-term constipation. Always ask a healthcare professional before using any laxative, especially for children, older adults, or during pregnancy.

When is surgery considered?

Surgery is rarely needed for constipation. It may be considered only if there is a physical blockage, severe pelvic floor problems, or when other treatments have not worked. A specialist will explain whether this applies to you.

Living with this condition

Living with constipation flare-ups can be stressful, but you can prepare. Keep a regular eating and toilet routine. Use the toilet when you feel the urge, even if you are away from home. Let someone close to you know what you are dealing with, and keep gentle foods on hand like pears, prunes, and oatmeal. A symptom diary can help you spot your triggers.

Lifestyle tips

• Learn what is normal for you and keep a symptom diary
• Schedule bathroom breaks, especially after meals
• Exercise most days of the week
• Take time to relax and manage stress
• Try using a footstool to make bowel movements easier

Diet and exercise

Eat plenty of fibre from vegetables, fruit, beans, lentils, and whole grains. Fibre helps soften stools, but only works well if you drink enough water. Increase fibre slowly to avoid gas. Regular exercise like walking, swimming, or cycling helps move waste through your gut. Cut down on processed and high-fat foods, and limit alcohol and caffeine if they trigger symptoms.

Mental health and emotional wellbeing

Constipation can make you feel embarrassed, anxious, or low, especially when it affects your daily life. Stress can actually make constipation worse, creating a frustrating cycle. Try breathing exercises, talking to someone you trust, or writing in a journal. If you feel very distressed, overwhelmed, or have thoughts of harming yourself, reach out to a mental health crisis helpline in your area right away.

Prevention

Constipation flare-ups cannot always be prevented, but many can be. The same diet and lifestyle habits that help treat a flare-up can also help prevent one. Keep a steady fibre and water intake, stay active, and do not ignore the urge to poo.

Screening programmes

There is no routine screening for constipation itself. However, if you are over 50 and notice a lasting change in your bowel habit, your doctor may recommend tests to rule out other conditions. Speak to your doctor if you are worried.

Complications

If left untreated

• Prolonged straining can cause haemorrhoids, which are swollen veins around the anus
• Small tears in the skin around the anus, called anal fissures, which may bleed
• Fecal impaction – a hard plug of stool stuck in the rectum
• Overflow diarrhoea – liquid stool leaking around the hard mass
• Weakened pelvic floor muscles over time
• In rare cases, a bowel obstruction

Long-term outlook

The outlook is usually very good. Most constipation flare-ups settle within days with simple changes like more fibre, fluids, and movement. Even if you need occasional help from a laxative, that is manageable with your doctor's guidance. If a flare-up lasts longer than three weeks, a healthcare provider can help you find the cause and a plan that works for you.

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