FDA label 1b35ea4d-8733-4f56-9143-168fc49e2247

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 (canonical bytes are SHA-256 checked before publication)

SPL set ID: c8ddaa11-5753-46eb-8bd4-8f1d874a3ec4
SPL ID: 1b35ea4d-8733-4f56-9143-168fc49e2247
Version: 1
Effective date: 2022-02-02
Source export date: 2026-10-30
Source partition: 13
Source file: https://download.open.fda.gov/drug/label/drug-label-0013-of-0014.json.zip
Source object key: raw/openfda/drug-label/2026-10-30/8d15bdc5962e7531569eaeb5b1b2e4919574d40a6782ab67345a27b890175a00/drug-label-0013-of-0014.json.zip
Source manifest SHA-256: b11f1f6b476c7417db937215bf14307ef1a0b69465b42b411ad52f42ae36ead3
Import run: 20261102T182004Z
Imported at: 2026-11-02 19:56:41

Harmonized identifier links#

Every typed identifier imported from the complete openFDA harmonization object is paginated here; values are not reduced to a first match.

Harmonized identifiers page 1 of 1 · 2 matching rows.

Type, Scope, Identifier table
Type	Scope	Identifier	Source field
spl id		1b35ea4d-8733-4f56-9143-168fc49e2247	id
spl set id		c8ddaa11-5753-46eb-8bd4-8f1d874a3ec4	set_id

Warnings cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Warnings sections page 1 of 1 · 1 matching rows.

warnings

WARNING Large doses of methenamine (8 grams daily for 3 to 4 weeks) have caused bladder irritation, painful and frequent micturition, albuminuria, and gross hematuria.

Adverse reactions cross-check#

openFDA text is shown for search and cross-checking; DailyMed SPL is canonical.

Adverse reactions sections page 1 of 1 · 1 matching rows.

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 Validus Pharmaceuticals LLC at 1-866-982-5438 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.