Fluid management – information for patients Alcohol in excess of the recommended weekly amount, which is
This leaflet gives advice on how to manage your fluid intake if 14 units for women and 21 units for men, and avoidance of
you are experiencing problems with your bladder or an ‘binge’ drinking. Alcohol in the long term damages the bladder.
enlarged prostate gland. Beer, because of its high fluid content as well as alcohol tends
to make you pass more urine.
How much should I drink?
Some herbal teas cause problems in individuals with certain
The exact amount depends on your body weight, age,
climate, amount of exercise. So if you are frail and elderly
• Elderflower, strawberry and rose - makes you pass
you will not need as much as a fit athlete, but as a general
rule one and a half litres of fluid per day should be alright for
• Camomile and spiced apple – avoid with anticoagulants
• Blackcurrant, ginseng and vanilla – raises blood
What should I drink? pressure
Water is the best form of fluid you can have. Fruit juices, because of their high acid content are not advised if
Fruit squashes and non-sweetened fruit juices are good. you have gastric or bowel disorders, for instance gastric ulcers,
Herbal teas are good as they do not contain caffeine. hiatus hernia, heartburn, irritable bowel syndrome.
Cranberry juice in moderation (about 2 glasses per day). It is
Cranberry juice is to be avoided if you are taking anticoagulants
useful for people who are prone to urinary infections. Some
such as Warfarin. It can cause more diarrhoea if you have
people should not have cranberry juice as explained in the
irritable bowel syndrome. If you are diabetic or overweight you
will need to have the ‘no sugar’ variety. Cranberry juice should
What should I avoid? be used with caution if you are prone to kidney or bladder
Caffeinated drinks of any sort, for instance tea, coffee, stones of a particular type. You should check with your doctor
chocolate, coca cola, Red Bull, cold remedies such as first.
What can I do if I get up to pass urine at night?
We would recommend that you stop drinking any fluids at
least 3-4 hours before you go to bed and try not to drink
anything with caffeine or alcohol in the evening. If you suffer
from heart failure and have swollen ankles it may also help if
you have a rest with your feet up in the afternoon as this
helps to redistribute fluid in your body that has accumulated
in your feet and lower legs. This fluid can then go to the
kidneys and be passed in your urine.
If you are diabetic make sure you have your blood sugar well
under control as passing a lot of urine at night is associated Fluid management
with poorly controlled diabetes
Information for Urology patients
Do make sure however that you still drink enough fluid during
the rest of the day so you do not become dehydrated
because if your urine becomes concentrated it can irritate
If you have any other questions please do not hesitate to
ask the Urology doctors or nurses who will be happy to Urology Department
advise you. Homerton University Hospital NHS Foundation Trust
Urology Nurse Specialist 020 8510 7862