What is the brand name for Tamsulosin?
The brand name for Tamsulosin is Flomax.
PTCE Top 200 · #24
Tamsulosin
Flomax
Tamsulosin is the generic name for the brand-name drug Flomax. It is an alpha-1 blocker (bph) used to treat BPH. On the PTCE Top 200 drug list, Tamsulosin ranks #24 and is one of the most frequently tested genitourinary medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.
| Generic name | Tamsulosin |
|---|---|
| Brand name(s) | Flomax |
| Drug class | Alpha-1 blocker (BPH) |
| Class group | Genitourinary |
| Common use | BPH |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Tamsulosin used for?
Alpha‑1 blocker for benign prostatic hyperplasia (BPH) to improve urinary flow and symptoms.
What drug class is Tamsulosin?
Tamsulosin is an Alpha-1 blocker (BPH) in the Genitourinary group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.
Common side effects of Tamsulosin
- arrow_rightDizziness
- arrow_rightOrthostatic hypotension
- arrow_rightRunny nose (rhinitis)
- arrow_rightAbnormal ejaculation
- arrow_rightHeadache
Major interactions
- arrow_rightStrong CYP3A4 inhibitors (e.g., ketoconazole) can markedly increase levels—avoid
- arrow_rightPDE‑5 inhibitors (sildenafil/tadalafil) and other alpha‑blockers ↑ hypotension risk
- arrow_rightCYP2D6 inhibitors (e.g., paroxetine) may increase exposure
Is Tamsulosin a controlled substance?
No. Tamsulosin is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Tamsulosin (PTCE mnemonic)
FLOmax = max urine FLOw — tamsu-LOSIN is an α1 blocker for BPH. First-dose orthostasis, dizziness, retrograde ejaculation, floppy iris.
lightbulb
PTCE exam tip
The suffix -osin signals an alpha-1 blocker. Tamsulosin (Flomax) relaxes the prostate for BPH — counsel on first-dose dizziness / orthostatic hypotension.
Tamsulosin FAQ
What is Tamsulosin used for?
Tamsulosin is used to treat BPH. Alpha‑1 blocker for benign prostatic hyperplasia (BPH) to improve urinary flow and symptoms.
What drug class is Tamsulosin?
Tamsulosin is an Alpha-1 blocker (BPH) (Genitourinary group).
Is Tamsulosin a controlled substance?
No. Tamsulosin is not a federally controlled substance (it is unscheduled by the DEA).
Drill Tamsulosin the way the PTCE asks it
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Last reviewed June 25, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).