Answer
Yes. Urinary retention can occur, and people with prostate enlargement or bladder-emptying problems require particular caution.
Sources for this answer
- Boots Decongestant Tablets — Current selected SmPCemc · Summary of Product Characteristics
- Care Decongestant Oral Liquid — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.