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Please find the following diet links taken from COB wesbite.

Interstitial Cystitis and Painful Bladder Diet

The relationship between diet and IC/PBS can be a confusing issue for sufferers. On the one hand you are advised about the importance of a healthy diet, and to eat a variety of foods from different food groups. This is certainly good advice. On the other hand, many of you are aware that some of these "healthy " foods can make your symptoms worse. So where do you start?

Unfortunately there are no hard and fast rules. Every person has different tolerances to foods, and the amount that they can eat that will irritate their bladder. Whilst one person may be able to eat a small quantity of an "offending" food, if they eat more they may have an IC flare up; in others, one mouthful may make symptoms worse.

Some people may find that foods do not seem to influence their IC symptoms at all. It is not fully understood why there are such individual responses to diet; perhaps it is because IC/PBS sufferers have different causative factors for their bladder symptoms, giving different experiences with food

For further information regarding IC/PBS Diet please click on the links that follow (and are above) regarding Trigger Foods, how to find your trigger foods and the nutrition service offered to members.


BC Diet and Nutrition

We are all advised to make sure our diet is a healthy one, with plenty of fresh fruit and vegetables. This advice is even more important to those suffer from bacterial cystitis.

It is easier for bacteria to invade our bodies when our immune systems are low. A healthy diet (and regular exercise!) can help to keep your immune system up to strength, and more able to fight off infections.

A good fluid intake is also advised to flush out any bacteria that are lurking in the bladder, before it has a chance to take hold and multiply. Water or diluted squash are the best drinks to do this. Avoid alcohol as it increases the urines acidity, makes you dehydrated and may irritate the lining of the bladder. Don’t think you have to stop drinking alcohol completely. Just cut down and try to dilute your intake by having a drink of water in between. This advice will also reduce your chances of waking up with a hangover! Try to reduce your intake of tea and coffee as they can also irritate the bladder and as diuretics (they encourage the body to pass urine) they may make you dehydrated.

Some people are unlucky enough to have a bladder wall that bacteria find it easy to cling on to. Cranberry juice has a bacteriostatic effect (it inhibits the growth of the bacteria), so drinking it in between attacks of bacterial cystitis may help to stop attacks. Some brands of cranberry juice are high in sugar, which is not a good additive to a diet of a sufferer of bacterial cystitis.

Sugar encourages the growth of bacteria, so try and reduce the amount of sugar in your diet. Remember sugar is often added to foods in which we don’t expect it do be in, for example, baked beans. Try and select the reduced sugar options that are available for many foods.

You may discover that a particular item of food or drink starts up an attack of bacterial cystitis. In which case try to avoid it. Not easy if it happens to be a favourite of yours! If this is the case, and you just cannot give up your favourite food or drink, try to have it moderation. Be prepared for an attack of bacterial cystitis and follow all the self-help tips for when an attack occurs to prevent it ‘taking hold’.

Over Active Bladder- Diet

The ultimate goal of any alteration to diet or drinking habits is to reduce or eliminate the symptoms of overactive bladder and to improve quality of life.

Most medical practitioners will initially commence a treatment programme by starting with the least invasive and surgery free options. One of these is to look carefully at the diet and drinking habits of sufferers. I have used the word habits deliberately at this point, as it may simply be a change of habitual actions that facilitates an improvement in symptoms.


Many people think that by reducing the intake of fluid, then less urine will be passed and their condition will improve. Drinking less does result in a reduction of urine volume, but the urine that is produced is highly concentrated. This can actually cause further problems as the bladder lining may be irritated. It is believed that highly concentrated urine can actually make you wish to go to the toilet more.

Limiting fluid intake can, in some cases make you constipated, which in turn can lead to further problems.

Having said that of course drinking too much, it is claimed can cause overactive bladder. It is extremely confusing and a frequent question is how much should I drink? This should be discussed with your medical practitioner who will advise you. It may be a good idea at this meeting to have a completed bladder diary so that patterns of voiding may be seen.

The time of day, when you drink may also be significant. If you drink large quantities at the same time, for example with a meal, your bladder may not be able to cope. It is best not to drink large quantities at one time e.g. meals, but to spread the intake over the course of the day.

It has been suggested that to reduce nocturia the following should be tried:

  •        Decrease the intake of fluids by drinking the majority before 6pm

  •      Try to eliminate alcohol and caffeine, particularly in the evening
  •      Caffeine has 3 components that all act as a diuretic, (increasing the production of urine) and can increase bladder pressure.


Certain types of food are known to irritate or trigger overactive bladder. Generally it is felt that tomato based foods, highly spiced foods, fruit and fruit juices can irritants. It is worth modifying your diet to see if it helps. The results could be recorded on a bladder diary for use in discussions with your medical practitioner.

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