Water and Haemorrhoids: How Much Should You Drink?

Water and Haemorrhoids: How Much Should You Drink?

Does Drinking Water Help Haemorrhoids?

Drinking enough water will not shrink haemorrhoids that already exist, but it is one of the simplest ways to stop them getting worse. Haemorrhoids are swollen cushions of blood vessels in the anal canal, and the biggest everyday trigger is straining to pass hard stools. Your large bowel absorbs water from waste as it moves along, so when you are short of fluid the stool becomes drier, harder and more difficult to pass. Enough fluid keeps stools soft, which means less pushing and less pressure on the veins. This guide explains how much to drink, how water works with fibre, and when fluids are not the answer.

How Fluid Affects Your Stools

Stool is mostly water, and its consistency depends on how much is left by the time it reaches the rectum. If you are dehydrated, or if you pass stool slowly, the bowel pulls out more water and what remains is firm and lumpy. Soft, formed stools that pass easily are the goal. On the Bristol stool chart that means types 3 and 4, like a sausage with cracks or a smooth snake. Hard separate lumps (type 1 and 2) are the ones that lead to straining, and our article on straining on the toilet explains why this habit is so strongly linked with piles.

How Much Water Should You Drink Each Day?

The NHS suggests around six to eight glasses of fluid a day, roughly 1.2 litres, and more in hot weather or when you exercise. This includes water, milk, tea, coffee and sugar-free drinks, as well as the water in food. It is a guide, not a target to force down. A practical check is the colour of your urine: pale straw means you are well hydrated, while dark yellow suggests you need more. If you have heart or kidney disease, or have been told to limit fluids, follow your doctor’s advice rather than these general figures.

Fibre Needs Water to Work

Fibre softens and bulks stool by holding on to water, so increasing fibre without increasing fluids can backfire and leave you more constipated, bloated or crampy. If you are adding bran, wholegrain foods, fruit and vegetables or a supplement such as ispaghula husk, drink a glass of water with each dose and spread fluids through the day. Build fibre up slowly over a couple of weeks. Our guide to fibre and haemorrhoids covers how much you need, the best food sources and how to avoid bloating.

Signs You Might Not Be Drinking Enough

Common signs of low fluid intake include dark, strong-smelling urine, passing little urine, a dry mouth, headaches, tiredness and constipation. You may notice that stools are hard, small or take a long time to pass. If constipation is a regular problem, look at water, fibre and activity together rather than just one of them. Our article on constipation and haemorrhoids explains how the three interact and what else can slow the bowel down, including some medicines such as codeine painkillers and iron tablets.

Does Coffee, Tea or Alcohol Count?

Tea and coffee contribute to your fluid intake. The mild diuretic effect of caffeine is small in regular drinkers, so a few cups a day do not leave you dehydrated, as we explain in our article on coffee and haemorrhoids. Alcohol is different: it makes you pass more urine, can dry the stools and may cause loose stools or irritation in some people, which is covered in our guide to alcohol and haemorrhoids. Fizzy and sugary drinks add calories without much benefit, so water, milk, herbal tea and diluted squash are better everyday choices.

When You Need More Fluid Than Usual

Hot weather, a fever, vomiting, diarrhoea, breastfeeding, long flights and hard exercise all increase the fluid you need. Older adults often feel less thirsty even when they need a drink, so it helps to drink regularly rather than waiting for thirst. If you are travelling, carry a bottle and see our advice on travelling with haemorrhoids. After diarrhoea or sickness, replace lost fluid steadily, because repeated loose stools irritate the skin around the anus and can inflame piles, as described in our article on diarrhoea and haemorrhoids.

Practical Tips to Drink More

Start the day with a glass of water, keep a bottle at your desk or in your bag, and have a drink with each meal and each time you make a hot drink. Eating water-rich foods such as soup, cucumber, melon, oranges and berries helps too. If plain water is dull, add a slice of lemon or choose herbal tea. Pair fluids with regular movement, because walking stimulates the bowel, and avoid long sessions sitting on the toilet, which we cover in our article on toilet time and haemorrhoids.

Can You Drink Too Much?

Extra water beyond what you need does not soften stools further and will mostly just mean more trips to the toilet. Drinking very large amounts in a short time can dilute the salt in your blood, which is dangerous. Steady sipping through the day is better than occasional large amounts. If you find you are constantly thirsty or passing large volumes of urine, mention it to your GP, as it can be a sign of other conditions such as diabetes.

When to See a Doctor

Drinking more water helps many people with mild symptoms, but it does not treat every cause. See a GP if you have bleeding from the bottom that is heavy, repeated or unexplained, a change in bowel habit lasting more than a few weeks, pain that does not settle after a week or two of home care, or a lump you cannot explain. Bleeding is not always caused by piles, so an examination is the surest way to know. Seek urgent help for heavy bleeding, fainting, severe pain or fever with swelling near the anus. Our guide on when to see a doctor about haemorrhoids lists the warning signs.

When Lifestyle Changes Are Not Enough

If you have improved your fluids, fibre and toilet habits and symptoms keep returning, the haemorrhoids themselves may need treatment. Several in-clinic options exist for internal haemorrhoids that do not need a general anaesthetic. Our overview of non-surgical haemorrhoid treatments compares the main choices, and our guide to haemorrhoid treatment costs in the UK sets out typical prices.

What We Offer at Our Clinics

At our clinics in Glasgow and London we examine patients and treat internal haemorrhoids with eXroid electrotherapy, which applies a low-dose direct current to the base of the haemorrhoid so that it shrinks over the following weeks, without cutting or a general anaesthetic. Of 116 patients treated at our clinics since January 2025, 84% needed only one session, although individual results vary and some people need a follow-up. A consultation with examination is £365, consultation and treatment on the same visit is £1,095, and a follow-up treatment, if needed, is £795. If what we find is not something we treat, or needs a referral for further tests, we will say so and tell you who to see.

Next Steps

Staying well hydrated is a low-cost habit that makes stools easier to pass, but it is only one part of managing haemorrhoids. Our severity test takes a couple of minutes and can help you think through your symptoms, although it is not a diagnosis. You can read about our procedure or book an appointment at our Glasgow or London clinic.

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