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What are the side effects of fesoterodine in the elderly?

According to the Mayo Clinic, elderly patients are more susceptible to unwanted side effects from fesoterodine compared to younger adults. Knowing what are the side effects of fesoterodine in the elderly is crucial for safe and effective treatment of overactive bladder (OAB) and related urinary issues. The drug's anticholinergic properties, while effective for OAB, can heighten common issues like dry mouth and constipation, and increase the risk of more serious concerns such as urinary retention and confusion in older, potentially frail patients.