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Symax Duotab Warnings
Symax® Duotab Warnings
Symax® Duotab
Symax® Duotab Package Insert
Product Indications and Usage
All Products
Symax® Duotab
12 Hour Tablet
Bi Phasic Now and Later Delivery

NDC# 64543-118-90
Immediate release:
0.125 mg Hyoscyamine Sulfate
Sustained release:
0.250 mg Hyoscyamine Sulfate
Rx Only
U.S. Pat. Pending No. 10/879,506

Immediate release you need
Extended release you want

Heat prostration can occur with drug use in the event of high environmental temperature. Diarrhea may be an early symptom of incomplete intestinal obstruction, especially in patients with ileostromy or colostomy, in this instance, treatment would be inappropriate and possibly harmful. This product may cause drowsiness or blurred vision. Patients taking this product should be warned not to engage in activities requiring mental alertness such as operating a motor vehicle or other machinery or to perform hazardous tasks while taking this drug.

Use caution in patients with hiatal hernia associated with reflex esophagitis. Use extreme caution and only when needed in patients with autonomic neuropathy, hyperthyroidism, coronary heart disease, congestive heart failure and cardiac arrhythmia. Investigate any tachycardia before giving any anticholinergic drugs since they may increase the heart rate.

Prolonged use of anticholinergics may decrease or inhibit salivary flow, thus contributing to the development of caries, periodontal disease, oral candidiasis, and discomfort.

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