Bladder diary
bladder diary · voiding diary · toilet diary · fluid and urine diary
For a few days at home, you write down how much you drink and when you use the toilet. Sometimes also how much urine you pass each time.
For frequent urges, getting up at night to pee, or leaking. The diary shows the doctor things that are hard to remember.
⏱ Duration: usually 2 to 3 days of notes; it is reviewed at your visit

Be sure to tell your doctor
How to prepare
- Form. Get a form from your doctor or draw columns in a notebook: time, how much you drank, how much urine, any urges or leaking.
- Measuring cup. You need a measuring cup or jar with markings. Pee into it and write down the amount.
- Days. Choose normal days when you are at home. Drink and go about your day as usual.
What to bring
- Your filled-in diary
- Your referral, if you have one
How it goes
- In the morning, note the time you get up
- Each time you drink, write down the time and how much
- Each time you use the toilet, write down the time and the amount of urine
- Mark any strong urges and leaking
- Write down getting up at night too
- Give the diary to the doctor at your visit
What you'll feel
- The first day feels like a hassle, then you get used to it
- It can feel awkward, but the doctor needs honest numbers
Afterwards
- Bring the diary to your visit
- The doctor will review it and tell you what to do next
Common questions
Should I drink more or less than usual?
No. Drink as usual, or the diary will not show your real picture.
What if I missed an entry?
That is OK. Mark the gap and keep going.