warnings
WARNINGS Large doses of methenamine (8 grams daily for 3 to 4 weeks) have caused bladder irritation, painful and frequent micturition, albuminuria, and gross hematuria.
Methenamine Hippurate
openFDA label record#
This page contains supplementary openFDA label data. For the canonical label presentation, use the corresponding DailyMed Structured Product Label.
Verified complete openFDA source JSON
- Brand name
- Methenamine Hippurate
- Generic name
- METHENAMINE HIPPURATE
- Manufacturer
- AvPAK
- Product type
- HUMAN PRESCRIPTION DRUG
- SPL set ID
- b581b655-62a4-2aa9-e053-2a95a90aa823
- SPL ID
- 0e88fdee-dba1-56cd-e063-6394a90a47c6
- Version
- 3
- Effective date
- 2024-01-09
- Source export date
- 2026-09-28
- Source partition
- 4
- Source file
- https://download.open.fda.gov/drug/label/drug-label-0004-of-0014.json.zip
- Source object key
- raw/openfda/drug-label/2026-09-28/c7ca0b7091cdaeab3f27713a6eef00adcf8fe722383633ddce61531b4c840544/drug-label-0004-of-0014.json.zip
- Source manifest SHA-256
- cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
- Import run
- 20260929T050834Z
- Imported at
- 2026-09-29 05:24:15
| Harmonized routes |
|---|
| ORAL |
Harmonized identifier links#
Every typed identifier imported from the complete openFDA harmonization object is paginated here; values are not reduced to a first match.
| Type | Scope | Identifier | Source field |
|---|---|---|---|
| application applno | ANDA | 212172 | derived:openfda.application_number |
| application number | ANDA212172 | openfda.application_number | |
| brand name | Methenamine Hippurate | openfda.brand_name | |
| generic name | METHENAMINE HIPPURATE | openfda.generic_name | |
| manufacturer name | AvPAK | openfda.manufacturer_name | |
| ndc | package | 50268-549-15 | openfda.package_ndc |
| ndc | package | 50268-549-11 | openfda.package_ndc |
| ndc | product | 50268-549 | openfda.product_ndc |
| ndc11 | package | 50268054915 | derived:openfda.package_ndc |
| ndc11 | package | 50268054911 | derived:openfda.package_ndc |
| rxcui | 992150 | openfda.rxcui | |
| spl id | 0e88fdee-dba1-56cd-e063-6394a90a47c6 | id | |
| spl set id | b581b655-62a4-2aa9-e053-2a95a90aa823 | set_id | |
| unii | M329791L57 | openfda.unii |
Warnings cross-check#
openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.
Adverse reactions cross-check#
openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.
adverse reactions
ADVERSE REACTIONS Minor adverse reactions have been reported in less than 3.5% of patients treated. These reactions have included nausea, upset stomach, dysuria, and rash. To report SUSPECTED ADVERSE REACTIONS, contact AvKARE at 1-855-361-3993 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Reported adverse events (FAERS/openFDA)#
Adverse event summaries are temporarily unavailable. Other product information remains available.