Does PHENAZOPYRIDINE Cause Methaemoglobinaemia? 46 Reports in FDA Database
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According to the FDA Adverse Event Reporting System (FAERS), 46 reports of Methaemoglobinaemia have been filed in association with PHENAZOPYRIDINE (PHENAZOPYRIDINE HYDROCHLORIDE). This represents 9.3% of all adverse event reports for PHENAZOPYRIDINE.
46
Reports of Methaemoglobinaemia with PHENAZOPYRIDINE
9.3%
of all PHENAZOPYRIDINE reports
1
Deaths
42
Hospitalizations
How Dangerous Is Methaemoglobinaemia From PHENAZOPYRIDINE?
Of the 46 reports, 1 (2.2%) resulted in death, 42 (91.3%) required hospitalization, and 14 (30.4%) were considered life-threatening.
Is Methaemoglobinaemia Listed in the Official Label?
This adverse event is not currently listed in the official FDA drug label for PHENAZOPYRIDINE. However, 46 reports have been filed with the FAERS database.
What Other Side Effects Does PHENAZOPYRIDINE Cause?
Drug hypersensitivity (93)
Sulphaemoglobinaemia (38)
Vomiting (34)
Completed suicide (29)
Nausea (29)
Chromaturia (28)
Urinary tract infection (26)
Dyspnoea (24)
Toxicity to various agents (23)
Drug ineffective (22)
What Other Drugs Cause Methaemoglobinaemia?
DAPSONE (322)
LIDOCAINE (221)
ACETAMINOPHEN (186)
BENZOCAINE (162)
RASBURICASE (92)
SULFAMETHOXAZOLE\TRIMETHOPRIM (86)
LIDOCAINE\PRILOCAINE (67)
PRIMAQUINE (56)
HYDROXYCHLOROQUINE (54)
MEROPENEM (46)
Which PHENAZOPYRIDINE Alternatives Have Lower Methaemoglobinaemia Risk?
PHENAZOPYRIDINE vs PHENCYCLIDINE
PHENAZOPYRIDINE vs PHENELZINE
PHENAZOPYRIDINE vs PHENOBARBITAL
PHENAZOPYRIDINE vs PHENOLPHTHALEIN
PHENAZOPYRIDINE vs PHENOTHIAZINE