Teen constipation & bowel habits
A common but often unspoken problem in teens. Hormones, diet, school toileting culture, and how to actually shift it.
Why teens
Lower fibre intake, less water, irregular eating, holding stool at school (more common than most people realise), some medications, and sometimes hormonal cycles. These are the usual culprits when a teenager develops constipation or when childhood constipation persists into the teen years.
School toileting avoidance deserves particular attention because it's so common and so rarely talked about. Many teens won't use school toilets, whether it's privacy concerns, bullying, lack of time between lessons, or simply not wanting to be seen going. This means they hold stool all day, which over time leads to reduced rectal sensitivity and chronic constipation. It's a surprisingly significant factor.
Diet plays its predictable role. Many teens eat less fibre than they need, drink less water than they should (caffeinated drinks and fizzy drinks don't count the way water does), and eat irregularly. Skipping breakfast removes a key natural stimulus for bowel movement. Put these together and constipation becomes much more likely.
What can
The basics first: adequate fluid intake, enough fibre, regular meals including breakfast, and a regular toileting routine. The specifics of how much fluid and fibre, and evidence-based habit strategies, are covered in a consultation tailored to your teen.
For established constipation, the basics alone may not be enough. NICE-recommended laxatives are the first-line treatment and are often needed for weeks to months. Your GP manages the medical treatment alongside the dietary plan. Stopping too early is a common mistake: parents assume the problem is fixed as soon as stools normalise, but the bowel needs time to recover its normal function.
Constipation and
For menstruating teens, hormonal fluctuations can have a real impact on bowel function. Research suggests that progesterone may slow gut motility, which is why constipation often worsens in the luteal phase (the two weeks before a period). Some teens notice very clear cyclical changes in their bowel habits.
This is usually manageable with the basics: maintaining good fibre and fluid intake throughout the cycle, and sometimes increasing fibre or using a mild osmotic laxative in the days when constipation typically worsens. Understanding the pattern helps because it makes it predictable and therefore manageable.
When constipation needs
Most teen constipation is functional, meaning there's no underlying structural or medical cause. But constipation that doesn't respond to adequate treatment, constipation associated with weight loss, blood in the stool, severe abdominal pain, or constipation that started suddenly after years of normal bowel habits warrants further investigation.
Conditions that can present with constipation in teens include hypothyroidism, coeliac disease, and occasionally inflammatory bowel disease. If basic treatment isn't working after a reasonable trial, it's worth looking deeper rather than simply increasing the laxative dose indefinitely.
Common questions
A clear plan,
built around your little one.
All consultations are online and you can self-refer directly. You'll receive a written plan after every appointment.
Thorough assessment & plan
Your first appointment is 60 minutes. It includes a full clinical and dietetic assessment, and you'll receive an agreed, written plan to take away.
Review & adjust
Follow-ups are 30 minutes. We review the plan, problem-solve anything that's come up, and adjust guidance as your child progresses.
Currently self-pay only. All fees are VAT-exempt as registered healthcare services. I provide receipts with my HCPC registration details which you can submit to your insurer.