Drug Reference
Methenamine / Salicylic Acid
Brand names
Azo Urinary Tract DefenseCystex
Available as
162 MG · Oral Tablet
Multi-ingredient product
MethenamineSalicylic Acid
This medicine contains more than one active ingredient. To avoid attributing one component’s information to the whole product, structured label sections aren’t shown here — see the component pediatric notes below and the full combination label on DailyMed.
Current FDA labels (DailyMed)
- UTI EMERGENCY RELIEF (METHENAMINE, SODIUM SALICYLATE, AND PHENAZOPYRIDINE HYDROCHLORIDE KIT) KIT [CADENCE HEALTH, INC.]
- UTI INFECTION CONTROL (METHENAMINE, SODIUM SALICYLATE) TABLET [CADENCE HEALTH, INC.]
- CYSTEX PLUS (METHENAMINE, SODIUM SALICYLATE) TABLET [CLARION BRANDS, LLC]
- CYSTEX (METHENAMINE, SODIUM SALICYLATE) TABLET [CLARION BRANDS, LLC]
- CYSTEX (METHENAMINE, SODIUM SALICYLATE) TABLET [CLARION BRANDS, LLC]
Authoritative sources
Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.