Last reviewed · How we verify

Tolterodine 6

KYU-SUNG LEE · FDA-approved active Small molecule

Tolterodine is a muscarinic receptor antagonist that blocks acetylcholine signaling in the bladder to reduce involuntary contractions and urinary urgency.

Tolterodine is a muscarinic receptor antagonist that blocks acetylcholine signaling in the bladder to reduce involuntary contractions and urinary urgency. Used for Overactive bladder with symptoms of urge incontinence, urgency, and frequency.

At a glance

Generic nameTolterodine 6
Also known asDetrusitol ER 4mg
SponsorKYU-SUNG LEE
Drug classMuscarinic receptor antagonist
TargetM2 and M3 muscarinic receptors
ModalitySmall molecule
Therapeutic areaUrology
PhaseFDA-approved

Mechanism of action

Tolterodine selectively antagonizes M2 and M3 muscarinic receptors in the detrusor muscle of the bladder. By blocking these receptors, it prevents acetylcholine-induced bladder contractions, thereby increasing bladder capacity and reducing the frequency of micturition and urgency episodes associated with overactive bladder.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape: