tamsulosin

Key facts

Drug.legal_AU

S4

Drug.Watchedfields

changed

Drug.verifiedrevid

461746753

Drug.image

Tamsulosin.svg

Drug.image_class

skin-invert-image

Drug.width

250

Drug.image2

Tamsulosin-from-xtal-3D-bs-17.png

Drug.image_class2

bg-transparent

Drug.tradename

Flomax, others

Drug.MedlinePlus

a698012

Drug.DailyMedID

Tamsulosin

Drug.pregnancy_AU

B2

Drug.routes_of_administration

By mouth

Drug.class

α1 blocker

Drug.ATC_prefix

G04

Drug.ATC_suffix

CA02

Drug.legal_CA

Rx-only

Drug.legal_UK

OTC

via Wikipedia infobox

Chemical data

Formula

C20H28N2O5S

Molecular weight

408.5 g/mol

IUPAC name

5-[(2R)-2-[2-(2-ethoxyphenoxy)ethylamino]propyl]-2-methoxybenzenesulfonamide

SMILES

CCOC1=CC=CC=C1OCCN[C@H](C)CC2=CC(=C(C=C2)OC)S(=O)(=O)N

InChIKey

DRHKJLXJIQTDTD-OAHLLOKOSA-N

XLogP

2.7

Polar surface area

108 Ų

H-bond donors

2

H-bond acceptors

7

Formal charge

0

via PubChem

• Safety and Feasibility of Opening Tamsulosin Capsules for Enteral Feeding Tube Administration.Journal of pharmacy practice · 2024
• Tamsulosin for prevention of postoperative urinary retention: A systematic review and meta-analysis.American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists · 2023
• Comparing Tamsulosin vs. Silodosin prior to Ureteroscopy: A Network Meta-Analysis of Randomized Controlled Trials.World journal of urology · 2025
• Tamsulosin for Urinary Retention in Older Women: Maximizing the Flow.Journal of gerontological nursing · 2025
• Tamsulosin Monotherapy Is Effective in Reducing Ureteral Stent-related Symptoms: A Meta-analysis of Randomized Controlled Studies.Current medical science · 2019

via PubMed