F. Darifenacin, fesoterodine, oxybutynin, solifenacin, tolterodine, and trospium chloride side effects

Side effects of these agents include dry mouth, constipation, and blurred vision, which limit tolerability of these agents if used continually. Oxybutynin is available as a transdermal system (topical patch), which is better tolerated because it causes less dry mouth than do oral formulations, and is more widely accepted with greater patient acceptance. The overall efficacies of these antimuscarinic drugs are similar