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Identification
NamePhenazopyridine
Accession NumberDB01438
TypeSmall Molecule
GroupsApproved
Description

A local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity. [PubChem]

Structure
Thumb
Synonyms
3-(Phenylazo)-2,6-pyridinediamine
Fenazopiridina
External Identifiers Not Available
Prescription Products
NameDosageStrengthRouteLabellerMarketing StartMarketing End
Azo Gesictablet95 mg/1oralMajor Pharmaceuticals2011-06-25Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Azo Urinary Tract Healthtablet95 mg/1oralI Health, Inc.2014-02-28Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazo 100mgtablet100 mgoralValeant Canada Lp Valeant Canada S.E.C.1973-12-31Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Phenazo 200mgtablet200 mgoralValeant Canada Lp Valeant Canada S.E.C.1979-12-31Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Phenazopyridine HCltablet200 mg/1oralBoca Pharmacal, Inc2010-09-102015-12-29Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet200 mg/1oralH.J. Harkins Company, Inc.2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet200 mg/1oralPreferred Pharmaceuticals, Inc2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet100 mg/1oralPreferred Pharmaceuticals, Inc2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet100 mg/1oralbryant ranch prepack2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet200 mg/1oralBlenheim Pharmacal, Inc.2012-06-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet100 mg/1oralBlenheim Pharmacal, Inc.2011-09-14Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet100 mg/1oralA S Medication Solutions Llc2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet100 mg/1oralBoca Pharmacal, Inc2010-09-102015-12-29Us 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCltablet200 mg/1oralA S Medication Solutions Llc2010-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCl 100mgtablet100 mg/1oralMethod Pharmaceuticals, Llc2014-12-31Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine HCl 200mgtablet200 mg/1oralMethod Pharmaceuticals, Llc2014-12-31Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralREMEDYREPACK INC.2015-08-25Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralProficient Rx LP2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralLiberty Pharmaceuticals, Inc.2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralAmneal Pharmaceuticals2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralRebel Distributors Corp2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralUnit Dose Services2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralAv Kare, Inc.2015-10-07Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralREMEDYREPACK INC.2015-09-17Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralNorthwind Pharmaceuticals2014-06-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralPreferred Pharmaceuticals, Inc.2013-12-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralApotheca Inc.2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralClinical Solutions Wholesale2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralA S Medication Solutions Llc2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralAmneal Pharmaceuticals2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralAv Kare, Inc.2015-10-07Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralREMEDYREPACK INC.2015-07-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralECI Pharmaceuticals, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralBlenheim Pharmacal, Inc.2010-05-12Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralClinical Solutions Wholesale2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralA S Medication Solutions Llc2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralReady Meds2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralAcella Pharmaceuticals, LLC2011-08-18Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralREMEDYREPACK INC.2015-03-06Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralECI Pharmaceuticals, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralBlenheim Pharmacal, Inc.2010-05-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralCardinal Health2008-05-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralA S Medication Solutions Llc2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralAcella Pharmaceuticals, LLC2011-08-18Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralREMEDYREPACK INC.2015-01-26Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralECI Pharmaceuticals, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralCarilion Materials Management2011-08-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralA S Medication Solutions Llc2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralLake Erie Medical DBA Quality Care Products LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralbryant ranch prepack2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralAidarex Pharmaceuticals LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralECI Pharmaceuticals, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralAmerican Health Packaging2013-06-24Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralLake Erie Medical DBA Quality Care Products LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralProficient Rx LP2011-08-18Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralECI Pharmaceuticals, LLC2011-08-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralAmerican Health Packaging2013-06-24Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralAidarex Pharmaceuticals LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet, coated200 mg/1oralNationwide Laboratories, LLC2011-08-02Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralDIRECT RX2014-01-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralREMEDYREPACK INC.2015-08-25Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralProficient Rx LP2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralMed Vantx, Inc.2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralRebel Distributors Corp2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet100 mg/1oralECI Pharmaceuticals, LLC2011-08-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralPreferred Pharmaceuticals, Inc.2013-12-03Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet, coated100 mg/1oralNationwide Laboratories, LLC2011-08-02Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet, coated200 mg/1oralDIRECT RX2015-12-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloridetablet200 mg/1oralNorthwind Pharmaceuticals, LLC2014-07-24Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Pyridiumtablet, film coated100 mg/1oralGemini Laboratories, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Pyridiumtablet, film coated200 mg/1oralGemini Laboratories, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Pyridiumtablet, film coated100 mg/1oralGemini Laboratories, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Pyridiumtablet, film coated200 mg/1oralGemini Laboratories, LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Pyridium 100mgtablet100 mgoralErfa Canada 2012 Inc1981-12-31Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pyridium 200mgtablet200 mgoralErfa Canada 2012 Inc1981-12-31Not applicableCanada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pyronium 0.1gmtablet100 mgoralPro Doc Limitee1960-12-312003-07-31Canada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Pyronium Tab 200mgtablet200 mgoralPro Doc Limitee1976-12-312003-07-31Canada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Vito Reins Tab 100mgtablet100 mgoralDuchesnay Inc1977-12-311999-07-23Canada 5f16b84899037e23705f146ff57e3794121879cb055f0954756d94bc690476b4
Generic Prescription ProductsNot Available
Over the Counter Products
NameDosageStrengthRouteLabellerMarketing StartMarketing End
Azotablet97.5 mg/1oralI Health, Inc.2014-03-04Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Azotablet95 mg/1oralI Health, Inc.2012-05-24Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Azotablet97.5 mg/1oralI Health, Inc.2012-05-18Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Azo Urinary Pain Relieftablet95 mg/1oralI Health, Inc.2014-11-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Azo Urinary Pain Relief Maximum Strengthtablet97.5 mg/1oralI Health, Inc.2015-02-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Leader Azo Tabs Urinary Tract Analgesictablet95 mg/1oralCardinal Health2004-11-05Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Leader Maximum Strenght Urinary Pain Relieftablet97.5 mg/1oralCardinal Health2009-04-30Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Leader Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralCardinal Health2015-01-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Leader Urinary Pain Relieftablet95 mg/1oralCardinal Health2013-07-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Meijer Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralMeijer Distribution Inc.2015-01-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazotablet95 mg/1oralContract Pharmacal Corp2011-10-25Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloride 95mgtablet95 mg/1oralAmol Pharmaceuticals Private Limited2015-03-20Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Phenazopyridine Hydrochloride 97.5mgtablet97.5 mg/1oralAmol Pharmaceuticals Private Limited2015-03-16Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Preferred Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralReese Pharmaceutical Co2015-01-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Preferred Plus Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralKinray2010-01-04Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Preferred Plus Urinary Pain Relieftablet95 mg/1oralKinray2001-04-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Quality Choice Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralChain Drug Marketing Association2010-01-04Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Select Brand Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralSelect Brand Distributors2014-09-26Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Skopko Urinary Pain Relieftablet95 mg/1oralSkopko2013-07-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Sunmark Urinary Pain Relieftablet95 mg/1oralMcKesson2013-07-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Sunmark Urinary Pain Relief Maximum Strengthtablet97.5 mg/1oralMc Kesson2011-09-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Topcare Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralTopco Associates LLC2011-02-01Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Uricalm Maximum Strengthtablet, film coated99.5 mg/1oralAlva Amco Pharmacal Companies, Inc.2008-04-29Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Urinary Pain Relieftablet95 mg/1oralThe Kroger Co2012-05-11Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Urinary Pain Relieftablet95 mg/1oralMcKesson (Sunmark)2010-07-09Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Uristat Uti Relief Paktablet95 mg/1oralInsight Pharmaceuticals LLC2015-04-29Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Uti-paintablet95 mg/1oralMethod Pharmaceuticals2014-11-10Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Walgreens Urinary Pain Relieftablet95 mg/1oralWALGREENS Co2001-04-23Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Walgreens Urinary Pain Relief Maximum Strengthtablet97.5 mg/1oralWalgreens Co.2010-04-05Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
Winco Maximum Strength Urinary Pain Relieftablet97.5 mg/1oralWin Co Foods, Llc2015-01-15Not applicableUs 0a2ef1ad1c84951dc1392a8bbe1f3cb241c91ed59e44ad8268635315440d978c
International Brands
NameCompany
AZO-StandardNot Available
BaridiumNot Available
PhenazodineNot Available
ProdiumNot Available
PyrazodineNot Available
PyridiateNot Available
PyridiumNot Available
SeduralNot Available
UristatNot Available
UrodineNot Available
UrogesicNot Available
ViridiumNot Available
Brand mixturesNot Available
Salts
Name/CASStructureProperties
Phenazopyridine hydrochloride
ThumbNot applicableDBSALT000915
CategoriesNot Available
UNIIK2J09EMJ52
CAS number94-78-0
WeightAverage: 213.2385
Monoisotopic: 213.101445377
Chemical FormulaC11H11N5
InChI KeyInChIKey=QPFYXYFORQJZEC-FOCLMDBBSA-N
InChI
InChI=1S/C11H11N5/c12-10-7-6-9(11(13)14-10)16-15-8-4-2-1-3-5-8/h1-7H,(H4,12,13,14)/b16-15+
IUPAC Name
3-[(E)-2-phenyldiazen-1-yl]pyridine-2,6-diamine
SMILES
NC1=NC(N)=C(C=C1)\N=N\C1=CC=CC=C1
Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as aminopyridines and derivatives. These are organic heterocyclic compounds containing an amino group attached to a pyridine ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyridines and derivatives
Sub ClassAminopyridines and derivatives
Direct ParentAminopyridines and derivatives
Alternative Parents
Substituents
  • Aminopyridine
  • Imidolactam
  • Benzenoid
  • Primary aromatic amine
  • Monocyclic benzene moiety
  • Heteroaromatic compound
  • Azo compound
  • Azacycle
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Hydrocarbon derivative
  • Primary amine
  • Organonitrogen compound
  • Amine
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Pharmacology
IndicationFor the symptomatic relief of pain, burning, urgency, frequency, and other discomforts arising from irritation of the lower urinary tract mucosa caused by infection, trauma, surgery, endoscopic procedures, or the passage of sounds or catheters.
PharmacodynamicsPhenazopyridine is a local anesthetic that has been used in urinary tract disorders. Its use is limited by problems with toxicity (primarily blood disorders) and potential carcinogenicity.
Mechanism of actionPhenazopyridine's mechanism of action is not well known, and only basic information on its interaction with the body is available. It is known that the chemical has a direct topical analgesic effect on the mucosa lining of the urinary tract.
AbsorptionNot Available
Volume of distributionNot Available
Protein bindingNot Available
Metabolism

Likely hepatic but also in other tissues. One of the metabolites is acetaminophen.

SubstrateEnzymesProduct
Phenazopyridine
Not Available
acetaminophenDetails
Route of elimination40% hepatic
Half life7.35 hours
ClearanceNot Available
ToxicityMethemoglobinemia generally follows a massive, acute overdose.
Affected organisms
  • Humans and other mammals
PathwaysNot Available
SNP Mediated EffectsNot Available
SNP Mediated Adverse Drug ReactionsNot Available
ADMET
Predicted ADMET features
PropertyValueProbability
Human Intestinal Absorption+0.9816
Blood Brain Barrier+0.874
Caco-2 permeable+0.7633
P-glycoprotein substrateNon-substrate0.6748
P-glycoprotein inhibitor INon-inhibitor0.9121
P-glycoprotein inhibitor IINon-inhibitor0.956
Renal organic cation transporterNon-inhibitor0.7745
CYP450 2C9 substrateNon-substrate0.8791
CYP450 2D6 substrateNon-substrate0.8856
CYP450 3A4 substrateNon-substrate0.7528
CYP450 1A2 substrateInhibitor0.9107
CYP450 2C9 inhibitorNon-inhibitor0.7498
CYP450 2D6 inhibitorNon-inhibitor0.9231
CYP450 2C19 inhibitorInhibitor0.8985
CYP450 3A4 inhibitorNon-inhibitor0.6767
CYP450 inhibitory promiscuityLow CYP Inhibitory Promiscuity0.5068
Ames testAMES toxic0.9107
CarcinogenicityNon-carcinogens0.6868
BiodegradationNot ready biodegradable0.9948
Rat acute toxicity2.6160 LD50, mol/kg Not applicable
hERG inhibition (predictor I)Weak inhibitor0.9554
hERG inhibition (predictor II)Non-inhibitor0.8735
ADMET data is predicted using admetSAR, a free tool for evaluating chemical ADMET properties. (23092397 )
Pharmacoeconomics
ManufacturersNot Available
Packagers
Dosage forms
FormRouteStrength
Tabletoral100 mg
Tabletoral200 mg
Tabletoral200 mg/1
Tabletoral100 mg/1
Tablet, coatedoral100 mg/1
Tablet, coatedoral200 mg/1
Tablet, film coatedoral100 mg/1
Tablet, film coatedoral200 mg/1
Tablet, film coatedoral99.5 mg/1
Tabletoral95 mg/1
Tabletoral97.5 mg/1
Prices
Unit descriptionCostUnit
Phenazopyridine hcl 100% powdr3.59USD g
Pyridium 200 mg tablet1.84USD tablet
Phenazopyridine 200 mg tablet1.83USD tablet
Phenazopyridine 100 mg tablet1.82USD tablet
Phenazopyridine Plus 150-15-0.3 mg tablet1.3USD tablet
Phenazopyridine plus tablet1.25USD tablet
Pyridium 100 mg tablet1.09USD tablet
Phenazopyridine HCl 200 mg tablet0.97USD tablet
Phenazopyridine HCl 100 mg tablet0.5USD tablet
Uristat 95 mg tablet0.39USD tablet
Azo standard 97.5 mg tablet0.36USD tablet
Urogesic-blue tablet0.36USD tablet
Azo standard 95 mg tablet0.33USD tablet
Azo-gesic 95 mg tablet0.22USD tablet
CVS Pharmacy urinary pain rlf 95 mg tablet0.22USD tablet
Woman's wellbeing uti rlf tablet0.21USD tablet
Prodium 95 mg tablet0.19USD tablet
DrugBank does not sell nor buy drugs. Pricing information is supplied for informational purposes only.
PatentsNot Available
Properties
StateSolid
Experimental Properties
PropertyValueSource
melting point139 °CPhysProp
Predicted Properties
PropertyValueSource
Water Solubility0.202 mg/mLALOGPS
logP2.31ALOGPS
logP2.69ChemAxon
logS-3ALOGPS
pKa (Strongest Acidic)18.85ChemAxon
pKa (Strongest Basic)6.86ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area89.65 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity68.25 m3·mol-1ChemAxon
Polarizability22.66 Å3ChemAxon
Number of Rings2ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Mass Spec (NIST)Download (10.2 KB)
SpectraNot Available
References
Synthesis ReferenceNot Available
General ReferencesNot Available
External Links
ATC CodesG04BX06
AHFS Codes
  • 84:08.00
PDB EntriesNot Available
FDA labelNot Available
MSDSDownload (73.7 KB)
Interactions
Drug Interactions
Drug
DapsoneThe risk or severity of adverse effects can be increased when Dapsone is combined with Phenazopyridine.
Nitric OxideThe risk or severity of adverse effects can be increased when Nitric Oxide is combined with Phenazopyridine.
PrilocaineThe risk or severity of adverse effects can be increased when Phenazopyridine is combined with Prilocaine.
Sodium NitriteThe risk or severity of adverse effects can be increased when Phenazopyridine is combined with Sodium Nitrite.
Food Interactions
  • Take with food to reduce irritation.

Targets

1. Sodium channel protein type 1 subunit alpha

Kind: Protein

Organism: Human

Pharmacological action: yes

Actions: inhibitor

Components

Name UniProt ID Details
Sodium channel protein type 1 subunit alpha P35498 Details

References:

  1. Ragsdale DS, McPhee JC, Scheuer T, Catterall WA: Common molecular determinants of local anesthetic, antiarrhythmic, and anticonvulsant block of voltage-gated Na+ channels. Proc Natl Acad Sci U S A. 1996 Aug 20;93(17):9270-5. Pubmed
  2. Aizawa N, Wyndaele JJ: Effects of phenazopyridine on rat bladder primary afferent activity, and comparison with lidocaine and acetaminophen. Neurourol Urodyn. 2010 Nov;29(8):1445-50. Pubmed

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Drug created on July 30, 2007 10:08 / Updated on September 16, 2013 17:14