
Anaphylaxis and angioedema requiring hospitalization and emergency medical treatment have occurred with the first or subsequent doses of tolterodine tartrate. In the event of difficulty in breathing, upper airway obstruction, or fall in blood pressure, tolterodine tartrate should be discontinued and appropriate therapy promptly provided.
There is currently no manufacturer warning information available for this drug.
Tolterodine tartrate tablets are indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency, and frequency.
This product contains tolterodine tartrate. The active moiety, tolterodine, is a muscarinic receptor antagonist. The chemical name of tolterodine tartrate is (R)-2-[3-[bis(1-methylethyl)-amino]1-phenylpropyl]-4-methylphenol [R-(R*,R*)]-2,3-dihydroxybutanedioate (1:1) (salt). The empirical formula of tolterodine tartrate is C26H37NO7, and its molecular weight is 475.6. The structural formula of tolterodine tartrate is represented below:

Tolterodine tartrate is a white, crystalline powder. The pKa value is 9.87 and the solubility in water is 12 mg/mL. It is soluble in methanol, slightly soluble in ethanol, and practically insoluble in toluene. The partition coefficient (Log D) between n-octanol and water is 1.83 at pH 7.3.
Tolterodine tartrate tablets for oral administration contain 1 or 2 mg of tolterodine tartrate. The inactive ingredients are colloidal silicon dioxide, dibasic calcium phosphate dihydrate, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate and titanium dioxide.