Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Tamsulosin
Drug ID BADD_D02113
Description Tamsulosin is a selective alpha-1A and alpha-1B adrenoceptor antagonist that exerts its greatest effect in the prostate and bladder, where these receptors are most common.[Label] It is indicated for the treatment of signs and symptoms of benign prostatic hypertrophy.[Label] Antagonism of these receptors leads to relaxation of smooth muscle in the prostate and detrusor muscles in the bladder, allowing for better urinary flow.[Label] Other alpha-1 adrenoceptor antagonists developed in the 1980s were less selective and more likely to act on the smooth muscle of blood vessels, resulting in hypotension.[A178351] Tamsulosin was first approved by the FDA on April 15, 1997.[L6238]
Indications and Usage Tamsulosin is indicated for the treatment of signs and symptoms of benign prostatic hyperplasia.[Label] Tamsulosin is also used off label for the treatment of ureteral stones, prostatitis, and female voiding dysfunction.[A178339,L6259]
Marketing Status approved; investigational
ATC Code G04CA02
DrugBank ID DB00706
KEGG ID D08560
MeSH ID D000077409
PubChem ID 60147
TTD Drug ID D05MBZ
NDC Product Code Not Available
UNII G3P28OML5I
Synonyms Tamsulosin | LY 253352 | LY-253352 | Tamsulosin Hydrochloride | 5-(2-((2-(2-Ethoxyphenoxy)ethyl)amino)propyl)-2-methoxybenzenesulfonamide | Flomax | YM 617 | YM-617
Chemical Information
Molecular Formula C20H28N2O5S
CAS Registry Number 106138-88-9
SMILES CCOC1=CC=CC=C1OCCNC(C)CC2=CC(=C(C=C2)OC)S(=O)(=O)N
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Infestation23.11.01.002; 11.09.01.001--Not Available
Inflammation10.02.01.089; 08.01.05.007--Not Available
Malnutrition14.03.02.004--Not Available
Mediastinal disorder22.09.03.001--Not Available
Abnormal behaviour19.01.01.0010.000028%Not Available
Erectile dysfunction21.03.01.007; 19.08.04.0010.000112%
Ill-defined disorder08.01.03.049--Not Available
Parkinson's disease17.01.05.0100.000042%Not Available
Urinary tract obstruction20.08.01.004--
Adverse drug reaction08.06.01.0090.000051%Not Available
Drug intolerance08.06.01.013--Not Available
Congenital genitourinary abnormality21.15.02.002; 20.08.03.001; 03.06.02.002--Not Available
Unevaluable event08.01.03.0510.000106%Not Available
Floppy iris syndrome17.02.11.001; 12.02.02.001; 06.05.03.007--Not Available
Low birth weight baby18.04.02.0030.000057%Not Available
Oropharyngeal pain07.05.05.004; 22.12.03.0160.000042%
Lower urinary tract symptoms20.02.02.023--Not Available
Diabetic eye disease14.07.01.005; 06.08.03.024; 05.07.01.0050.000019%Not Available
Neonatal respiratory distress syndrome22.11.02.010; 18.04.10.0030.000028%Not Available
Transient tachypnoea of the newborn22.11.01.010; 18.04.09.0100.000057%Not Available
Lacunar stroke17.08.01.054; 24.04.06.0370.000028%Not Available
Drug ineffective for unapproved indication08.06.01.038; 12.09.02.0020.000019%Not Available
Idiopathic interstitial pneumonia22.01.02.031; 10.02.01.0800.000057%Not Available
Pharyngeal swelling22.04.05.028--Not Available
Surgical failure08.06.01.0490.000042%Not Available
Therapeutic product effect decreased08.06.01.0500.000051%Not Available
Therapeutic response changed08.06.01.059--Not Available
Therapy non-responder08.06.01.063--Not Available
Treatment noncompliance08.06.01.067; 12.09.02.0060.000129%Not Available
Testicular oedema21.13.01.014--Not Available
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