Unifying Concepts

International Prostate Symptom Score (IPSS)

The International Prostate Symptom Score (IPSS), a ubiquitous clinical assessment tool, is a standard in the assessment and research of lower urinary tract symptoms in men.

International Prostate Symptom Score (IPSS)

IPSS question Possible answers (points)
1. How often did you have the feeling that your bladder was not completely empty after urinating? * Never (0)
* Less than 1 time in 5 (1)
* Less than half of the time (2)
* About half the time (3)
* More than half the time (4)
* Almost always (5)
2. How many times did you have to urinate a second time within 2 hours?
3. How often have you had to stop and start again several times over while urinating (urinary hesitancy)?
4. How often have you had difficulty delaying urination?
5. How often have you had a weak stream when urinating?
6. How often did you need to make an effort or strain to start urinating?
7. On average, how often did you get up to urinate during the night (i.e., between going to bed and getting up in the morning)? * Never (0)
* Once (1)
* Twice (2)
* Three times (3)
* Four times (4)
* Five times or more (5)
8. How would you feel if your current symptoms around urination did not change in the future? * Totally happy (0)
* Happy (1)
* Mostly happy (2)
* A bit unhappy (3)
* Mostly unhappy (4)
* Unhappy (5)

* 0–7 points: mild LUTS; 8–19 points: moderate LUTS; 20–35 points: severe LUTS

LUTS, lower urinary tract symptoms.



  1. Yao MW, Green JSA. How international is the International Prostate Symptom Score? A literature review of validated translations of the IPSS, the most widely used self-administered patient questionnaire for male lower urinary tract symptoms. Low Urin Tract Symptoms. 2022 Mar;14(2):92-101. [Medline]
  2. Miernik A, Gratzke C. Current Treatment for Benign Prostatic Hyperplasia. Dtsch Arztebl Int. 2020 Dec 4;117(49):843-854. [Medline]


Created Sep 21, 2022

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