Bone, kidney & bladder
Alpha-1 blocker (prostate)
Tamsulosin
Also known as: Flomax
Best time
30 min after the same meal each day
- 08:00–09:30· After breakfast
- 19:00–20:30· Or after the evening meal
Take about 30 minutes after the same meal every day to keep absorption steady.
Strong evidence
Consistent clinical trials or official prescribing guidance support this timing.
Why this time works
Taking tamsulosin on an empty stomach increases peak levels and the chance of dizziness. Linking it to the same meal keeps blood levels consistent. Evening dosing may also reduce the impact of dizziness.
Body rhythm involved
Night-time urination is influenced by bladder capacity and nightly urine production.