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Baridium: Full Drug Profile

Medically reviewed by Min Clinic Staff | Updated: January 2026

Baridium - General Information

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.

 

Pharmacology of Baridium

Baridium 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.

 

Baridium for patients

Patients should be informed that Phenazopyridine HCl produces a reddish-orange discoloration of the urine and may stain fabric. Staining of contact lenses has been reported.

 

Baridium Interactions

 

Baridium Contraindications

Phenazopyridine HCl should not be used in patients who have previously exhibited hypersensitivity to it. The use of Phenazopyridine HCl is contraindicated in patients with renal insufficiency.

 

Additional information about Baridium

Baridium Indication: For 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. Mechanism Of Action: Baridium'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. Drug Interactions: Not Available Food Interactions: Take with food. Generic Name: Phenazopyridine Synonyms: Pyridacil; PAP; PDP Drug Category: Anesthetics, Local Drug Type: Small Molecule; Approved Other Brand Names containing Phenazopyridine: Azo-Standard; Baridium; Phenazodine; Prodium; Pyridiate; Pyridium; Sedural; Uristat; Urodine; Urogesic; Suladyne; Viridium; Pyrazodine; Phenylazo; Absorption: Not Available Toxicity (Overdose): Methemoglobinemia generally follows a massive, acute overdose. Protein Binding: Not Available Biotransformation: Likely hepatic but also in other tissues. One of the metabolites is acetaminophen. Half Life: Not Available Dosage Forms of Baridium: Tablet Oral Tablet Oral Chemical IUPAC Name: 3-phenyldiazenylpyridine-2,6-diamine Chemical Formula: C11H11N5 Phenazopyridine on Wikipedia: https://en.wikipedia.org/wiki/Phenazopyridine Organisms Affected: Humans and other mammals