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Fesoterodine Dosage

Medically reviewed by Drugs.com. Last updated on Sep 14, 2023.

Applies to the following strengths: 4 mg; 8 mg

Usual Adult Dose for Urinary Incontinence

4 mg orally once a day; based on individual response and tolerability, the dose may be escalated to 8 mg orally once a day

Maximum dose: 8 mg once a day

Comments:


Use: For overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency, and frequency

Usual Adult Dose for Urinary Frequency

4 mg orally once a day; based on individual response and tolerability, the dose may be escalated to 8 mg orally once a day

Maximum dose: 8 mg once a day

Comments:


Use: For overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency, and frequency

Usual Pediatric Dose for Neurogenic Bladder

6 Years and Older:
Weighing greater than 25 kg and up to 35 kg:
4 mg orally once a day, the dose may be increased to 8 mg orally once a day

Weighing greater than 35 kg:
4 mg orally once a day, increase the dose to 8 mg orally once a day, after one week

Comments:


Use: For the treatment of neurogenic detrusor overactivity (NDO) in pediatric patients 6 years of age and older with a body weight greater than 25 kg

Renal Dose Adjustments

Adults (OAB):


Pediatric (NDO):
Weighing Greater than 25 kg and up to 35 kg:

Weighing greater than 35 kg:

Liver Dose Adjustments

Adults (OAB):


Pediatric (NDO):

Dose Adjustments

Adults taking strong CYP3A4 inhibitors (OAB):
The daily dose should not exceed 4 mg in patients taking potent CYP450 3A4 inhibitors (e.g., ketoconazole, itraconazole, clarithromycin).

Pediatric weighing greater than 25 kg and up to 35 kg with NDO:
Use of this drug is not recommended in pediatric patients taking strong CYP3A4 inhibitors.

Pediatric weighing greater than 35 kg with NDO:
The daily dose should not exceed 4 mg in patients taking potent CYP450 3A4 inhibitors.

Precautions

CONTRAINDICATIONS:



Consult WARNINGS section for additional precautions.

Dialysis

Use is not recommended.

Other Comments

Administration advice:


Storage requirements:

Monitoring:
Nervous system: Anticholinergic CNS effects

Patient advice:

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.