Symax-SR Oral

In Depth

glaucoma (narrow-angle type, untreated open-angle type)
enlarged prostate
urinary blockage problems
certain stomach/intestinal problems (e.g., slow gut, blockage, severe ulcerative colitis, infection)
heart problems due to severe bleeding

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

overactive thyroid
other heart problems (e.g., coronary heart disease, congestive heart failure, fast heartbeat, arrhythmias)
high blood pressure
kidney disease
heartburn problems (acid reflux, hiatal hernia)
certain nervous system problem (autonomic neuropathy)
myasthenia gravis

Contact lens wearers may need to use wetting eye drops since this medication can cause dry eyes.

This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.

This drug may increase the risk for heatstroke because it decreases sweating. Avoid becoming overheated in hot weather, saunas, and during exercise or other strenuous activity.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for confusion and unusual excitement while using this drug.

Children may be more sensitive to the effects of this drug.

Hyoscyamine should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.

This drug passes into breast milk. Consult your doctor before breast-feeding.

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