Overactive Bladder (OAB): Why You Are Always Running to the Toilet

Ultimo aggiornamento: 15 agosto 2026

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A steady stream of patients arrive at my office having had urinary frequency for years. They have been round several clinics and hospitals, spent a good deal of money, and still have no diagnosis. If that sounds familiar, there is a name for it — overactive bladder syndrome — and it is a great deal more common than most people realise.

The reason it goes undiagnosed for so long is built into its definition: OAB is what remains once infection and structural problems have been excluded. There is nothing to see on a scan and nothing to grow on a culture, so if nobody thinks of it by name, the search simply continues.

What overactive bladder actually is

The International Continence Society defines OAB as urinary urgency, with or without incontinence, usually with increased frequency by day and night, and no proven infection or other obvious cause. Urgency is the key word — not simply going often, but the sudden compelling need that is hard to defer.

Patients describe it less clinically. What they tell me about is the fear of leaking, and the way it reorganises daily life around where the toilets are. Around 12% of the general population report OAB symptoms, rising to 20% of women aged 70 and over.

How the diagnosis is made

A full history and physical examination, a frequency-volume chart kept over three days, and urinalysis to exclude infection or stones. The chart does more work than patients expect: it turns “I go all the time” into a record of how often, how much, and when — which is what distinguishes a genuinely overactive bladder from simply drinking a great deal of tea or coffee.

Where the picture is unclear, or where symptoms have not responded to treatment as expected, a urodynamic study measures how the bladder actually behaves as it fills and empties. Dr. Soarawee performs urodynamic studies at Bangkok Hospital Headquarters, so this can be arranged without a separate referral.

Treatment, step by step

1. Lifestyle and bladder training — adjusting how much and when you drink, cutting caffeine and other bladder irritants, stopping smoking, pelvic floor exercises, and gradually stretching the interval between visits to the toilet. This is unglamorous and it is also where most of the improvement comes from.
2. Farmaci per via orale — anticholinergic agents or beta-3 agonists, the mainstay of medical treatment. If the first drug only partly helps, the dose can be adjusted or a different agent tried; a disappointing response to one tablet is not the end of the road.
3. Procedures — for the minority who do not respond adequately, bladder botulinum toxin injection and sacral neuromodulation are the established options. Neither is performed at Bangkok Hospital Headquarters; if your case reaches that point, a referral to a centre that provides them can be arranged.

Two expectations worth setting at the start. OAB is usually managed rather than cured, so the goal is a bladder that no longer runs your day rather than one that behaves perfectly. And the improvement comes from doing the dull things consistently — patients who keep up the bladder training alongside the medication do markedly better than those who rely on the tablet alone.

What I most want patients to take away is that this is not something you have to live with silently. It is not life-threatening, which is precisely why it goes unmentioned for years — but it is a quality-of-life problem with real treatment behind it.

Se hai urinato frequentemente senza una causa apparente o sospetti una vescica iperattiva, la dottoressa Soarawee Weerasopone offre consulenze specialistiche presso la sede centrale dell'ospedale di Bangkok. Prenota una consulenza. È possibile fissare un appuntamento presso l'Ospedale Samitivej Sriracha chiamando il reparto di urologia al numero 088-022-1445.

Domande frequenti sulla vescica iperattiva (OAB)

Disclaimer: Questo contenuto è stato scritto e revisionato dal Dr. Soarawee Weerasopone, urologo certificato presso la sede centrale del Bangkok Hospital. È destinato unicamente a scopi educativi e non costituisce un parere medico. Nessun parere medico, diagnosi o prescrizione viene fornito tramite canali di messaggistica personale. Consultare sempre un professionista sanitario qualificato prima di iniziare qualsiasi trattamento medico.