Oxybutynin Chloride

openFDA label record#

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Verified complete openFDA source JSON (canonical bytes are SHA-256 checked before publication)

Brand name
Oxybutynin Chloride
Generic name
OXYBUTYNIN CHLORIDE
Manufacturer
Strides Pharma Science Limited
Product type
HUMAN PRESCRIPTION DRUG
SPL set ID
9ede5def-d185-4e40-9c10-8663ac654caf
SPL ID
a34f3504-e5d9-426a-abee-6587854406a5
Version
7
Effective date
2026-07-01
Source export date
2026-09-28
Source partition
1
Source file
https://download.open.fda.gov/drug/label/drug-label-0001-of-0014.json.zip
Source object key
raw/openfda/drug-label/2026-09-28/9c7783846d422acb0c9e59457606951c785a7d28cc631c8cc4839d0dc7c55f39/drug-label-0001-of-0014.json.zip
Source manifest SHA-256
cd2e66336a5cd2223fa3995098fdbdb84c6a7ee5c0a4addb236ccb22dd1e6887
Import run
20260929T050834Z
Imported at
2026-09-29 05:12:30
Harmonized routes table
Harmonized routes
ORAL

Warnings cross-check#

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warnings

WARNINGS Angioedema of the face, lips, tongue and/or larynx has been reported with oxybutynin. In some cases, angioedema occurred after the first dose. Angioedema associated with upper airway swelling may be life-threatening. If involvement of the tongue, hypopharynx, or larynx occurs, oxybutynin should be promptly discontinued and appropriate therapy and/or measures necessary to ensure a patent airway should be promptly provided.

Adverse reactions cross-check#

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adverse reactions

ADVERSE REACTIONS The safety and efficacy of oxybutynin chloride was evaluated in a total of 199 patients in three clinical trials. These participants were treated with oxybutynin chloride 5 to 20 mg/day for up to 6 weeks. Table 3 shows the incidence of adverse events judged by investigators to be at least possibly related to treatment and reported by at least 5% of patients. Table 3 Incidence (%) of Adverse Events Reported by ≥ 5% of Patients Using Oxybutynin Chloride (5 to 20 mg/day) Body System Adverse Event Oxybutynin Chloride (5 to 20 mg/day) (n=199) Infections and Infestations Urinary tract infection 6.5% Psychiatric Disorders Insomnia Nervousness 5.5% 6.5% Nervous System Disorders Dizziness Somnolence Headache 16.6% 14.0% 7.5% Eye Disorders Blurred vision 9.6% Gastrointestinal Disorders Dry mouth Constipation Nausea Dyspepsia 71.4% 15.1% 11.6% 6.0% Renal and Urinary Disorders Urinary Hesitation Urinary Retention 8.5% 6.0% The most common adverse events reported by patients receiving oxybutynin chloride 5 to 20 mg/day were the expected side effects of anticholinergic agents. The incidence of dry mouth was dose-related. In addition, the following adverse events were reported by 1 to < 5% of patients using oxybutynin chloride (5 to 20 mg/day) in all studies. Infections and Infestations: nasopharyngitis, upper respiratory tract infection, bronchitis, cystitis, fungal infection; Metabolism and Nutrition Disorders: fluid retention; Psychiatric Disorders: confusional state; Nervous System Disorders: dysgeusia, sinus headache; Eye Disorders: keratoconjunctivitis sicca, eye irritation; Cardiac Disorders: palpitations, sinus arrhythmia; Vascular Disorders: flushing; Respiratory, Thoracic and Mediastinal Disorders: nasal dryness, cough, pharyngolaryngeal pain, dry throat, sinus congestion, hoarseness, asthma, nasal congestion; Gastrointestinal Disorders: diarrhea, abdominal pain, loose stools, flatulence, vomiting, abdominal pain upper, dysphagia, aptyalism, eructation, tongue coated; Skin and Subcutaneous Tissue Disorders: dry skin, pruritis; Musculoskeletal and Connective Tissue Disorders: back pain, arthralgia, pain in extremity, flank pain; Renal and Urinary Disorders: dysuria, pollakiuria; General Disorders and Administration Site Conditions: fatigue, edema peripheral, asthenia, pain, thirst, edema; Investigations: blood pressure increased, blood glucose increased, blood pressure decreased; Injury, Poisoning, and Procedural Complications: fall. Postmarketing Surveillance Because postmarketing adverse events are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. The following additional adverse events have been reported from worldwide postmarketing experience with oxybutynin chloride: Psychiatric Disorders: psychotic disorder, agitation, hallucination, memory impairment; Nervous System Disorders: convulsions; Eye Disorders: cycloplegia, mydriasis, glaucoma; Cardiac Disorders: tachycardia, QT interval prolongation; chest discomfort ; Gastrointestinal Disorders: decreased gastrointestinal motility; frequent bowel movements; Skin and Subcutaneous Tissue Disorders: rash, decreased sweating; Renal and Urinary Disorders: impotence; Reproductive System and Breast Disorders: suppression of lactation; General Disorders and Administration Site Conditions: hypersensitivity reactions, including angioedema with airway obstruction, urticaria, and face edema; rare anaphylactic reactions requiring hospitalization for emergency treatment; Metabolism and Nutrition Disorders : anorexia; Respiratory, Thoracic and Mediastinal Disorders : dysphonia. To report SUSPECTED ADVERSE REACTIONS, contact Strides Pharma Inc. at 1-877-244-9825 or go to www.strides.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

adverse reactions table

<table ID="ID85" width="639" styleCode="Noautorules"><col width="213"/><col width="213"/><col width="213"/><tbody><tr><td valign="top" styleCode="Lrule Toprule Botrule Rrule" align="left"><content styleCode="bold"> Body System </content> </td><td valign="top" styleCode=" Toprule Botrule Rrule" align="left"><content styleCode="bold"> Adverse Event </content> </td><td valign="top" styleCode=" Toprule Botrule Rrule" align="center"><content styleCode="bold"> Oxybutynin </content> <content styleCode="bold"> Chloride </content> <content styleCode="bold"> (5 to 20 mg/day) </content> <content styleCode="bold"> (n=199) </content> </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Infections and Infestations </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Urinary tract infection </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 6.5% </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Psychiatric Disorders </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Insomnia Nervousness </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 5.5% 6.5% </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Nervous System Disorders </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Dizziness Somnolence Headache </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 16.6% 14.0% 7.5% </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Eye Disorders </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Blurred vision </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 9.6% </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Gastrointestinal Disorders </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Dry mouth Constipation Nausea Dyspepsia </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 71.4% 15.1% 11.6% 6.0% </td></tr><tr><td valign="top" styleCode="Lrule Botrule Rrule" align="left"> Renal and Urinary Disorders </td><td valign="top" styleCode=" Botrule Rrule" align="left"> Urinary Hesitation Urinary Retention </td><td valign="top" styleCode=" Botrule Rrule" align="center"> 8.5% 6.0% </td></tr></tbody></table>

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.