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Generic: Phenylazo
Phenylazo is a synthetic azo dye that is primarily used as a coloring agent in various products, including pharmaceuticals, cosmetics, and food. It's part of a broader class of azo dyes, which are characterized by the presence of a nitrogen-nitrogen double bond (-N=N-) linking two aromatic rings. Specifically, phenylazo refers to the functional group (C6H5N=N-) itself, which can be attached to different molecules, resulting in various phenylazo compounds. The specific properties and uses of a phenylazo compound depend on the molecule it is attached to. For example, phenylazo-diaminopyridine hydrochloride is used as a urinary analgesic.
Used as a coloring agent in pharmaceuticals, cosmetics, and food, and certain derivatives have therapeutic uses like urinary analgesia.
Outcome:
Potential for hypertensive crisis.
Mechanism:
Phenazopyridine can have mild MAOI activity.
Outcome:
Increased risk of methemoglobinemia (a blood disorder).
Mechanism:
Both can oxidize hemoglobin to methemoglobin.
Outcome:
Potential for increased liver strain if used long-term.
Mechanism:
Both drugs are metabolized by the liver.
Most likely new formulation: extended-release formulations for improved patient compliance (Year: 2026, 60% confidence)
Based on historical usage patterns and current regulatory trends, the likelihood of significant changes to phenazopyridine's regulatory status in the next 5 years is low (less than 10%).
Azo Dye, Coloring Agent
Azo Compound