Tolterodine ®
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Reviewed on Jan 22, 2026. by Dr Alexandra Cristina Cowell Writer & Clinical Content Reviewer Next review due on January 21, 2029.
Dr Alexandra Cristina Cowell

Last updated on Jan 22, 2026.

Relaxes bladder muscles, reduces sudden contractions.

Tolterodine is a tablet that’s licensed by the FDA to manage symptoms of an overactive bladder. It’s the generic version of Detrol, which means it contains the same active ingredient and works in the same way – it just might be a little cheaper.

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2mg
$89.95
  • Prices include:
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    2-5 day shipping by secure courier

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Tolterodine Tolterodine

What is Tolterodine?

Tolterodine is a daily tablet used to treat an overactive bladder. It relaxes the muscles around your bladder, which might sound counterintuitive – but this helps it hold more liquid, and prevents sudden, involuntary contractions. This means you shouldn’t need to use the bathroom as frequently or urgently.

How does Tolterodine work?

Tolterodine is a type of medicine called an antimuscarinic. This means it binds to receptors called muscarinic M3 receptors in the smooth muscle surrounding your bladder. These receptors are normally activated by a neurotransmitter called acetylcholine, which tells them to contract. Tolterodine stops acetylcholine activating these receptors, which relaxes the muscles and stops them from involuntarily contracting. This means your bladder can hold more liquid before you need to go, and prevents the sudden urge to use the bathroom.[1]

How do Tolterodine doses work?

Tolterodine comes in two doses for overactive bladder: 2 mg pills, and 1 mg pills. Right now, we only offer 2 mg Tolterodine pills. You’ll usually start by taking one 2 mg pill in the morning, and one in the evening, for a total dosage of 4 mg per day. If you’re struggling with side effects, your physician might recommend dropping down to 2mg daily.

What is the active ingredient in Tolterodine?

Tolterodine is a generic drug that gets its name from its active ingredient: tolterodine tartrate. It’s a type of antimuscarinic medicine that relaxes the muscles around your bladder. This lets your bladder hold more liquid, and prevents sudden, involuntary contractions.

Treated trusted source:

  1. Narain, S. Parmar, M. (2023). Tolterodine. StatPearls. Treasure Island (FL): StatPearls Publishing.
Dr Alexandra Cristina Cowell
This page was medically reviewed by Dr Alexandra Cristina Cowell on January 21, 2026. Next review due on January 21, 2029.

How we source info.

When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.

Tolterodine Tolterodine

How to take Tolterodine

Always follow your prescriber’s instructions when taking Tolterodine. You’ll usually take one 2 mg pill twice a day, once in the morning and once in the evening. You should take it just before, after, or alongside a meal. Swallow your tablet whole with a glass of water.

Dr Alexandra Cristina Cowell
This page was medically reviewed by Dr Alexandra Cristina Cowell on January 21, 2026. Next review due on January 21, 2029.

How we source info.

When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.

Tolterodine Tolterodine

Tolterodine isn’t suitable for everyone, and there are some things that you need to be aware of when taking it.

Here’s all the official info on it. If anything is unclear, let our clinician know, and they can talk with you about it.

Tolterodine Tolterodine

Tolterodine: FAQ

Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.

Are there any alternatives to Tolterodine?

Answer:
Yes, there are a few different drugs available to treat symptoms of overactive bladder. Solifenacin and Oxybutynin are two other antimuscarinic medicines that work in a really similar way to Tolterodine. So if one hasn’t been effective for you, one of these alternatives might.

Mirabegron is a slightly different medicine that works in a similar way, but through a different mechanism of action. It activates a receptor called a beta-3 adrenergic receptor in the muscles around your bladder, relaxing them. This lets your bladder hold more liquid before you need to go, and helps prevent sudden contractions. Because the way it works is slightly different to antimuscarinics like Tolterodine, it comes with a lower risk of side effects like dry mouth, constipation, or blurred vision. But it can come with a risk of increased blood pressure, instead.

How effective is Tolterodine for overactive bladder?

Answer:
Clinical trials have proven that Tolterodine is an effective treatment for the symptoms of overactive bladder. One trial of 1,529 people who were randomised into groups taking Tolterodine and placebo found that Tolterodine significantly reduced urge incontinence episodes per week compared to Placebo. Those on Tolterodine had between a 60-71% reduction in urge incontinence, compared to 33% in the placebo group.[1]

Do I need a prescription for Tolterodine?

Answer:
Yes. A healthcare professional will need to check to make sure Tolterodine is the right treatment for you before you can take it. Tolterodine may not be suitable for people with liver or kidney problems, certain heart conditions, or gastrointestinal problems that affect the passage and digestion of food, for example.

How long does it take Tolterodine to work for overactive bladder?

Answer:
Tolterodine gets to work within three to eight hours to relax the muscles around your bladder. But it usually takes around four weeks (or sometimes longer) to get the most out of your treatment.[2] If your symptoms haven’t improved after a couple of weeks, speak to your doctor.

Does Tolterodine cause side effects?

Answer:
There’s a chance you’ll experience side effects while using Tolterodine, the same as any medicine you may take. It’s rare, but if you experience any of the following symptoms, stop taking Tolterodine right away and get medical attention – it could be a sign of an allergic reaction:

  • Swollen face, tongue, or throat

  • Difficulty swallowing

  • Hives

  • Difficulty breathing


Likewise, if you experience chest pain, you get tired easily (even while resting), or your legs begin to swell, get medical attention right away.

The most common side effects of Tolterodine (affecting more than one in ten people) are dry mouth and headaches. Other common side effects (affecting up to one in ten people) include:

  • Bronchitis

  • Dizziness

  • Sleepiness

  • Pins and needles in the fingers and toes

  • Dry eyes

  • Blurred vision

  • Vertigo

  • Palpitations

  • Digestive difficulties

  • Constipation

  • Stomach pain

  • Trapped wind

  • Dry skin

  • Painful or difficult urination

  • Tiredness

  • Chest pain

  • Fluid retention

  • Weight gain

  • Diarrhea


This isn’t a comprehensive list of every side effect associated with Tolterodine. If you have any questions or concerns, speak with your doctor, or take a look at the patient package insert.

What should I do if I make a mistake when taking Tolterodine?

Answer:
If you take more Tolterodine than you’ve been instructed, get medical attention right away. You might experience seizures, hallucinations, elevated heartbeat, dilated pupils, excitement, or difficulty urinating or breathing.

If you forget to take Tolterodine, you can take it when you remember – unless it’s almost time for your next dose. If this is the case, skip the dose you missed and carry on as normal from your next scheduled one. Never take a double dose of Tolterodine to make up for a missed one.

Can I get Tolterodine through private health insurance?

Answer:
Generally, yes. If a doctor has prescribed Tolterodine to manage your overactive bladder, most health insurance plans (including Medicare) should provide coverage. But it’s always best to check your insurer’s formulary, and speak with them to see if you need prior authorization. This is a conversation between your insurance provider and prescriber to make sure the treatment is a medical necessity for your condition.

Your health insurance provider may only cover part of the cost of Tolterodine – or only offer coverage if you obtain it from a specific healthcare provider. If you can’t get Tolterodine through your health insurance, you should still be able to get it through an online pharmacy service. A healthcare professional will just need to check that it’s a safe and suitable treatment for you.

Treated trusted source:

  1. Kerreboreck, P.V. et al. (2001). Tolterodine once-daily: superior efficacy and tolerability in the treatment of the overactive bladder. Urology. 57(3). pp. 414-421.
  2. NHS. (2025). Common questions about tolterodine.

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