Solifenacin relaxes the bladder muscle, reducing urgency, frequency and urge incontinence. It works, and its side effects follow directly from how it works — the same mechanism that calms the bladder also dries the mouth and slows the bowel.
Once daily, with or without food, swallowed whole with water.
Allow four weeks before judging the benefit, and expect the dose may need adjusting.
Bladder training exercises and reducing caffeine and alcohol work alongside it and often make more difference than people expect.
Dry mouth, constipation and blurred vision are the common ones. Sipping water, sugar-free gum, and a laxative if needed all help — ask us before constipation becomes a problem.
Contact your doctor for difficulty passing urine or inability to pass urine at all, severe constipation, eye pain or halos around lights, or confusion — particularly in older people, where antimuscarinics can affect cognition.
In older adults, the overall burden of antimuscarinic medicines matters — several together increase confusion and fall risk. A medicine review is worth having if you take more than one; we do these free.
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