Around 16% to 45% of adults have overactive bladder symptoms (urgency with frequency and/or urge incontinence - 'overactive bladder syndrome'). Anticholinergic drugs are common treatments.
Madhuvrata, P., Cody, D. J., Ellis, G., Herbison, G. P., & Hay-Smith, E. J. C. (2012). Which anticholinergic drug for overactive bladder symptoms in adults. Cochrane Database of Systematic Reviews, (1), CD005429. https://doi.org/10.1002/14651858.CD005429.pub2