Overactive bladder/enuresis:

Indications for Trospium Chloride Ext-Rel Caps:

Overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency.


Take on empty stomach. 60mg daily in the AM. Severe renal impairment (CrCl<30mL/min): not recommended.


Not established.


Gastric or urinary retention; uncontrolled narrow-angle glaucoma; and patients at risk for these conditions.


Bladder outflow obstruction. GI obstructive disorders. Ulcerative colitis. Narrow-angle glaucoma (monitor). Intestinal atony. Myasthenia gravis. Exposure to high environmental temperature. Renal insufficiency (CrCl 30–80mL/min). Moderate to severe hepatic dysfunction. Pregnancy (Cat.C). Nursing mothers.

Pharmacologic Class:

Muscarinic antagonist.


Additive anticholinergic effects with other anticholinergics. Increased drowsiness with alcohol; avoid consumption within 2hrs of administration. May alter absorption of other drugs (decreased GI motility). May potentiate or be potentiated by drugs eliminated by active tubular secretion. May be antagonized by metformin.

Adverse Reactions:

Anticholinergic effects (dry mouth, constipation, dry eyes, urinary retention, blurred vision), CNS effects (monitor), dyspepsia, headache.


Formerly known under the brand name Sanctura, Sanctura XR.


Fecal (primarily), renal.

How Supplied:

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