Answer
It can reduce or stop visible semen or cause semen to pass backwards into the bladder. This is generally harmless but may affect attempts to conceive.
Sources for this answer
- Solifenacin succinate/Tamsulosin hydrochloride 6 mg/0.4 mg Modified-release tablet — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.