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TOVIAZ®Warnings and Precautions (fesoterodine fumarate)

5 WARNINGS AND PRECAUTIONS

5.1 Angioedema

Angioedema of the face, lips, tongue, and/or larynx has been reported with Toviaz. In some cases, angioedema occurred after the first dose; however, cases have been reported to occur hours after the first dose or after multiple doses. Angioedema associated with upper airway swelling may be life-threatening.

Toviaz is contraindicated in patients with a known or suspected hypersensitivity to Toviaz or any of its ingredients [see Contraindications (4)]. If involvement of the tongue, hypopharynx, or larynx occurs, Toviaz should be promptly discontinued and appropriate therapy and/or measures to ensure a patent airway should be promptly provided.

5.2 Urinary Retention in Adult Patients With Bladder Outlet Obstruction

The use of Toviaz, like other antimuscarinic drugs, in patients with clinically significant bladder outlet obstruction, including patients with urinary retention, may result in further urinary retention and kidney injury. The use of Toviaz is not recommended in patients with clinically significant bladder outlet obstruction, and is contraindicated in patients with urinary retention [see Contraindications (4) and Adverse Reactions (6.1)].

5.3 Decreased Gastrointestinal Motility

Toviaz is associated with decreased gastric motility. Toviaz is contraindicated in patients with gastric retention [see Contraindications (4)]. The use of Toviaz is not recommended in patients with decreased gastrointestinal motility, such as those with severe constipation.

5.4 Worsening of Narrow-Angle Glaucoma

Toviaz can worsen controlled narrow-angle glaucoma. Toviaz is contraindicated in patients with uncontrolled narrow-angle glaucoma [see Contraindications (4)]. Toviaz should be used with caution in patients being treated for narrow-angle glaucoma.

5.5 Central Nervous System Effects

Toviaz is associated with anticholinergic central nervous system (CNS) adverse reactions [see Adverse Reactions (6.1)]. A variety of CNS anticholinergic effects have been reported, including headache, dizziness, and somnolence. Patients should be monitored for signs of anticholinergic CNS effects, particularly after beginning treatment or increasing the dose. Advise patients not to drive or operate heavy machinery until they know how Toviaz affects them. If a patient experiences anticholinergic CNS effects, Toviaz dose reduction or discontinuation should be considered.

5.6 Worsening of Myasthenia Gravis Symptoms

Toviaz should be used with caution in patients with myasthenia gravis due to the risk of worsening of symptoms of the disease.

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