General information

Phenazopyridine, an azo dye, is used as a urinary tract analgesic. Although its use is not justified, because of toxicity, and although it was, for example, withdrawn in Greece in 1984, it continues to be used [ , ], and is available over the counter in some countries, for example the USA [ , ].

Organs and systems

Nervous system

Aseptic meningitis was diagnosed in a patient who had three distinct episodes of fever and confusion after taking phenazopyridine [ ].

You're Reading a Preview

Become a Clinical Tree membership for Full access and enjoy Unlimited articles

Become membership

If you are a member. Log in here