Urology Guide
Urinary Retention: When to Seek Help
Urinary retention means the bladder cannot empty normally. Causes can include blockage, prostate enlargement, medicines, nerve problems and other conditions.

Urology GuidePatient education · General information
What to know
Urinary retention means the bladder cannot empty normally. Causes can include blockage, prostate enlargement, medicines, nerve problems and other conditions.
Common points to discuss with a doctor
- Difficulty starting urination
- Very weak urine stream
- Feeling unable to empty the bladder
- Only passing small amounts
- Being unable to urinate at all
Medical note
Inability to urinate can be an urgent medical problem and needs prompt assessment.
References: This educational article was prepared using patient-information resources from NIDDK, NHS and/or the U.S. National Cancer Institute. It is not a substitute for individual medical advice.