hyoscyamine, atropine, scopolamine and phenobarbital, Donnatal (cont.)

Pharmacy Author:
Medical and Pharmacy Editor:

SIDE EFFECTS: Adverse reactions include constipation, dry eyes, dry mouth and urinary hesitancy and retention (difficulty urinating, particularly in men). Blurred vision, rapid heart rate, and palpitations also may occur. Headache, nervousness, drowsiness, and dizziness can be seen. Caution is advised in patients with glaucoma, myasthenia gravis and urinary obstruction since symptoms of these conditions may worsen with the use of belladonna/phenobarbital. Patients with an unstable cardiac status, severe ulcerative colitis and acute intermittent porphyria should avoid belladonna/phenobarbital. Elderly patients may experience confusion, depression, and excitement even from small doses.

Reference: FDA Prescribing Information


Last Editorial Review: 3/1/2012



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