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Urotel XL bevat tolterodine tartrate extended-release 4 mg ER made by Sun Pharma. It is used for overactive bladder (OAB) symptoms — urgency, frequency and urge incontinence. Take exactly as directed by your clinician — do not adjust the dose yourself.
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What Urotel XL is and how it works
Urotel XL contains tolterodine tartrate in an extended-release formulation, taken once daily. Tolterodine is a competitive muscarinic receptor antagonist that targets bladder muscarinic receptors with somewhat greater functional effect than salivary-gland receptors, giving a slightly better dry-mouth profile than oxybutynin (especially in the ER formulation).
It is licensed for OAB with symptoms of urinary frequency, urgency and urge incontinence. The ER capsule provides smoother plasma levels than the older immediate-release tablet and reduces the typical side effects (especially dry mouth) by ~30%.
Dosering en hoe in te nemen
| Patiëntengroep | Aanbevolen dosering |
|---|---|
| Adults with OAB | 4 mg once daily |
| Reduced to 2 mg once daily if | Severe hepatic / renal impairment (eGFR <30); concurrent strong CYP3A4 inhibitor; CYP2D6 poor metaboliser with side effects |
| Ernstige leverfunctiestoornis (Child-Pugh C) | Vermijden |
Swallow the capsule whole, with or without food, at the same time each day. Do not crush, chew or open the capsule. Improvement begins in 1–2 weeks; full benefit in 4–8 weeks. If no useful effect at 8 weeks, review.
⚠ Slug-vs-molecule warning
The brand name Urotel XL contains the syllable “urotel” that some buyers associate with alpha-blockers (Urief / Urotel) for BPH. Do niet assume this is an alpha-blocker. Urotel XL is an antimuscarinic for OAB — a different class with different indications. If you have BPH-related obstruction, you need an alpha-blocker (silodosin, alfuzosin, tamsulosin), not tolterodine.
Bijwerkingen
| Bijwerking | Frequentie | Opmerkingen |
|---|---|---|
| Droge mond | Very common (~25% IR / ~17% ER) | Hydration, sugar-free gum |
| Obstipatie | Common (~7%) | Fibre, fluids; bulk laxative if needed |
| Droge ogen | Vaak voorkomend | Lubricerende oogdruppels |
| Hoofdpijn | Vaak voorkomend | Usually settles in 2 weeks |
| Indigestie | Vaak voorkomend | — verbetert de verdraagzaamheid van metformine. |
| Drowsiness, blurred vision | Vaak voorkomend | Vermijd autorijden tot u gewend bent |
| Urineretentie | Minder vaak | Stop and review |
| QT prolongation (high doses) | Zeldzaam | Avoid combining with other QT-prolongers |
| Acuut glaucoom met gesloten kamerhoek | Zeldzaam | Same-day ophthalmology if eye pain |
Geneesmiddelinteracties
| Combinatie | Effect | Actie |
|---|---|---|
| Sterke CYP3A4-remmers (ketoconazol, ritonavir, clarithromycine) | Tolterodine levels rise — risk of QT effects | Reduce to 2 mg/day |
| Strong CYP2D6 inhibitors (fluoxetine, paroxetine) | Tolterodine accumulates | Watch for side effects |
| Other anticholinergics (oxybutynin, TCAs, sedating antihistamines) | Additive burden | Avoid stacking |
| QT-prolonging drugs (sotalol, amiodarone, methadone, ondansetron, citalopram > 20 mg) | Additive QT risk | Vermijd combinatie |
| Warfarine | No clinically significant interaction | Standard INR monitoring |
Who should not take Urotel XL
- Urinary retention or bladder-outflow obstruction
- Severe ulcerative colitis, toxic megacolon, paralytic ileus
- Ongecontroleerd nauwe-kamerhoekglaucoom
- Myasthenia gravis
- Ernstige leverfunctiestoornis (Child-Pugh C)
- Known long QT syndrome or concurrent QT-prolonging drugs
- Zwangerschap / borstvoeding (geen menselijke gegevens)
Veelgestelde vragen
How is the ER capsule different from immediate-release tablets?
ER releases tolterodine over 24 hours, smoothing peak levels. Compared with twice-daily IR, dry-mouth rates drop ~30% and one capsule covers the day. Efficacy is similar.
When will I notice fewer urgency episodes?
Most users see a reduction within 1–2 weeks. Full benefit develops over 4–8 weeks. A 3-day bladder diary at baseline and at week 4 is the cleanest way to measure progress.
Why does the warning mention BPH?
Antimuscarinics relax the detrusor; in significant outflow obstruction (large prostate, urethral stricture) that can tip a man into urinary retention. Post-void residual urine should be checked before starting if you are male and over 50.
Can I combine Urotel XL with mirabegron?
Combination antimuscarinic + beta-3 agonist therapy (BESIDE / SYNERGY trials) is used for refractory OAB. It is started by a urologist; do not initiate on your own.
Is dry mouth really inevitable?
It is the commonest side effect but milder on ER than IR. Sips of water, sugar-free gum, lemon-flavoured artificial saliva sprays, and avoiding caffeine all help. If intolerable after 4 weeks, ask about mirabegron.
I forgot a dose — what do I do?
If it is the same day, take it when you remember. If it is the next day, skip the missed dose — do not double up. Resume normal once-daily dosing.
Will it interact with my heart medications?
Tolterodine modestly prolongs QT at high doses. Avoid combining with sotalol, amiodarone, methadone, ondansetron, or citalopram > 20 mg/day without specialist review. Standard beta-blockers (bisoprolol, metoprolol) are fine.
Kan ik plotseling stoppen?
Yes — there is no withdrawal syndrome. OAB symptoms simply return within 1–2 weeks if the underlying problem hasn’t resolved.
Is tolterodine safer for older adults than oxybutynin?
ER tolterodine has a slightly cleaner anticholinergic burden than oxybutynin and is preferred in older adults if an antimuscarinic is needed. Mirabegron is the alternative when anticholinergic burden is a concern.
Can I drink alcohol while taking Urotel XL?
Modest amounts are usually fine. Alcohol can worsen drowsiness and is a bladder irritant; reducing alcohol often improves OAB symptoms independently.
Andere blaas- en prostaatmedicijnen
- Vesigard (darifenacin XR) — M3-selective antimuscarinic
- Darilong (darifenacin XR) — alternative darifenacin brand
- Floslo (solifenacin) — once-daily M3-selective alternative
- Mirago (mirabegron) — beta-3 agonist, no anticholinergic load
- Oxyspas (oxybutynin) — ouder niet-selectief antimuscarinicum
Medisch disclaimer. De informatie op deze pagina is alleen voor algemene educatieve doeleinden en is geen vervanging voor advies van een gekwalificeerde clinicus. Overleg altijd met uw arts of apotheker over nieuwe medicatie of doseringswijzigingen, vooral als u zwanger bent, borstvoeding geeft, andere medische aandoeningen heeft of andere medicijnen gebruikt.

























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