NCIt definition : A synthetic, brick-red crystalline solid that is only slightly soluble in cold water
and ethanol but is soluble in boiling water, acetic acid, glycerol, ethylene glycol
and propylene glycol. It is used orally as a urinary tract analgesic. Side effects
of phenazopyridine hydrochloride administration can include nausea, interference with
the oxygen-carrying capacity of red blood cells (methemoglobinemia), hemolytic anemia
as well as renal and hepatic toxicity. It is reasonably anticipated to be a human
carcinogen. (NCI05);
Semantic type(s)