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)
Hyperuricaemia14.09.01.0030.000019%
Hypoglycaemia05.06.03.001; 14.06.03.001--
Hyponatraemia14.05.04.0020.000042%
Hypotension24.06.03.0020.000108%
Idiopathic pulmonary fibrosis10.02.01.034; 22.01.02.0140.000198%-
Incontinence07.01.06.011; 17.05.01.006; 20.02.02.0040.000019%-
Infection11.01.08.002---
Influenza11.05.03.001; 22.07.02.001---
Influenza like illness08.01.03.0100.000042%
Injury12.01.08.004---
Insomnia17.15.03.002; 19.02.01.0020.000134%
Interstitial lung disease10.02.01.033; 22.01.02.0030.000208%-
Iris adhesions06.06.06.0030.000019%-
Libido decreased19.08.03.001; 21.03.02.005--
Lip swelling07.05.04.005; 10.01.05.005; 23.04.01.0070.000019%-
Liver disorder09.01.08.0010.000019%-
Loss of consciousness17.02.04.0040.000113%-
Lung disorder22.02.07.001---
Macular degeneration06.09.03.0010.000019%-
Malaise08.01.01.0030.000204%
Memory impairment17.03.02.003; 19.20.01.0030.000051%
Micturition disorder20.02.02.005---
Micturition urgency20.02.02.0060.000051%
Miosis06.05.03.003; 17.02.11.0020.000028%-
Muscular weakness15.05.06.001; 17.05.03.0050.000051%
Myalgia15.05.02.0010.000057%
Nasal congestion22.04.04.0010.000060%
Nasal obstruction22.12.03.013---
Nasopharyngitis11.01.13.002; 22.07.03.002---
Nausea07.01.07.001--
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