Anturol Side Effects

Generic Name: oxybutynin

Note: This document contains side effect information about oxybutynin. Some of the dosage forms listed on this page may not apply to the brand name Anturol.

Some side effects of Anturol may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

For the Consumer

Applies to oxybutynin: oral syrup, oral tablet, oral tablet extended release

Along with its needed effects, oxybutynin (the active ingredient contained in Anturol) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking oxybutynin:

Rare
  • Eye pain
  • skin rash or hives

Get emergency help immediately if any of the following symptoms of overdose occur while taking oxybutynin:

Symptoms of overdose
  • Clumsiness or unsteadiness
  • confusion
  • convulsions
  • dizziness
  • drowsiness (severe)
  • fainting
  • fast, slow, or irregular heartbeat
  • fever
  • flushing or redness of the face
  • hallucinations (seeing, hearing, or feeling things that are not there)
  • shortness of breath or troubled breathing
  • unusual excitement, nervousness, restlessness, or irritability

Some side effects of oxybutynin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Acid or sour stomach
  • belching
  • decreased sweating
  • diarrhea
  • difficulty having a bowel movement (stool)
  • drowsiness
  • dryness of the eyes, mouth, nose, or throat
  • heartburn
  • indigestion
  • runny nose
  • stomach discomfort, upset, or pain
Less common or rare
  • Blurred vision
  • decreased flow of breast milk
  • decreased sexual ability
  • difficulty in swallowing
  • feeling of warmth or heat
  • headache
  • increased sensitivity of the eyes to light
  • nausea or vomiting
  • trouble with sleeping
  • unusual tiredness or weakness
Incidence not known - Observed during clinical practice with oxybutynin; estimates of frequency cannot be determined
  • Bloating or swelling of the face, arms, hands, lower legs, or feet
  • decreased interest in sexual intercourse
  • inability to have or keep an erection
  • loss in sexual ability, desire, drive, or performance
  • rapid weight gain
  • tingling of the hands or feet
  • unusual weight gain or loss

For Healthcare Professionals

Applies to oxybutynin: oral syrup, oral tablet, oral tablet extended release, transdermal film extended release, transdermal gel

Nervous system

Very common (10% or more): Dizziness, somnolence
Common (1% to 10%): Headache, confusion, insomnia, nervousness, convulsions, dysgeusia
Frequency not reported: Heat stroke, paralysis, coma, CNS excitation

Gastrointestinal

Reports of moderate to severe dry mouth was significantly lower in the group of people taking oxybutynin (the active ingredient contained in Anturol) extended-release form in a study, at the same daily dose, comparing it to oxybutynin immediate-release. The reported incidence of dry mouth with the extended-release formulation is lower with the use of lower daily doses.

Dry mouth has been mentioned as the primary reason given by patients for discontinuation of therapy.

Very common (10% or more): Dry mouth, constipation, nausea
Common (1% to 10%): Dyspepsia, diarrhea, flatulence, vomiting, decreased GI motility, loose stools, aptyalism, eructation, tongue coated, gastroesophageal reflux, abdominal pain, taste perversion
Uncommon (0.1% to 1%): Dysphagia, frequent bowel movements
Frequency not reported: Taste perversion

Cardiovascular

Common (1% to 10%): Palpitations, peripheral edema, tachycardia, vasodilation, hypertension, chest pain
Uncommon (0.1% to 1%): Hot flush
Rare (less than 0.1%): Chest discomfort
Frequency not reported: Hypotension
Postmarketing reports: QT interval prolongation, arrhythmia, flushing

Dermatologic

Very common (10% or more): Pruritis with transdermal system
Common (1% to 10%): Decreased sweating, dry skin, rash, pruritus
Frequency not reported: Application site vesicles, macules, burning, rash, and erythema with transdermal system.

Genitourinary

Very common (10% or more): Impaired urination, urinary tract infections
Common (1% to 10%): Increased post void retention, urinary retention, impotence, urinary hesitancy, dysuria, pollakiuria
Frequency not reported: Dysuria, cystitis, aggravation of symptoms of prostatic hypertrophy

Endocrine

Postmarketing reports: Suppression of lactation

Metabolic

Uncommon (0.1% to 1%): Anorexia, fluid retention, increased blood glucose
Frequency not reported: Dehydration, aggravation of hyperthyroidism symptoms

Ocular

Very common (10% or more): Blurred vision
Common (1% to 10%): Cycloplegia, dry eyes, mydriasis, keratoconjunctivitis sicca, eye irritation
Frequency not reported: Acute angle closure glaucoma, amblyopia, decreased lacrimation
Postmarketing reports: Glaucoma

Respiratory

Common (1% to 10%): Rhinitis, bronchitis, nasal dryness, oropharyngeal pain, cough, dry throat, sinus/nasal congestion, hoarseness, asthma, dry nasal and sinus mucous membranes
Uncommon (0.1% to 1%): Dysphonia
Frequency not reported: Upper respiratory tract infections, sinusitis, bronchitis, pharyngitis, respiratory failure

Musculoskeletal

Common (1% to 10%): Asthenia, back pain, arthralgia, pain in extremity, flank pain
Frequency not reported: Arthritis

Psychiatric

Common (1% to 10%): Depression, nervousness, insomnia, confusional state
Frequency not reported: Cognitive and mental status changes in elderly patients
Postmarketing reports: Hallucinations, psychotic disorder, agitation, memory impairment

Other

Common (1% to 10%): Fatigue, fungal infection
Uncommon (0.1% to 1%): Thirst
Frequency not reported: Accidental injury, flu syndrome, flushing, fever
Postmarketing reports: Falls

Hypersensitivity

Frequency not reported: Angioedema with airway obstruction, urticaria, and face edema and rare anaphylactic reactions

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