AgentDosageCost*
Oral agents
Antimuscarinic (selective)
 Darifenacin ER (Enablex): low dosage7.5 mg daily$90 to $145
 Darifenacin ER: maximum dosage15 mg daily$90 to $110
 Solifenacin (Vesicare): low dosage5 mg daily$135 to $145
 Solifenacin: maximum dosage10 mg daily$135 to $145
Antimuscarinic (nonselective)
Oxybutynin: low dosage5 mg daily$10 to $12
 Oxybutynin: intermediate dosage10 mg daily$15 to $20
 Oxybutynin: maximum dosage30 mg daily$30 to $45
 Tolterodine (Detrol): low dosage2 mg daily$25 to $40
 Tolterodine: maximum dosage4 mg daily$40 to $70
Beta-adrenergic
 Mirabegron: low dosage25 mg daily$385 to $410
 Mirabegron: maximum dosage50 mg daily$385 to $410
Selective serotonin reuptake inhibitor
Duloxetine (Cymbalta)40 mg twice daily$140 to $190
Intravesicular injection
Neuromuscular blocker
OnabotulinumtoxinA (Botox)100 units/1 mL every 6 months$600 to $630
Transdermal agents
Antimuscarinic (nonselective)
OxybutyninOne patch twice weekly$30
Estrogen derivative
Vaginal estrogen (estradiol [Estrace], estrogen [Premarin])0.5 to 2 g twice weekly$95 to $350