Darilong
✅ Treats Overactive Bladder
✅ Reduces Urinary Frequency
✅ Controls Urinary Incontinence
✅ Relieves Urinary Urgency
✅ Improves Quality of Life
✓ Medicinskt granskad av Morgan Ellis — Apoteksforskare · 8 års erfarenhet · Senast granskad: maj 2026
Quick Answer
Darilong innehåller darifenacin extended-release 15 mg made by Sun Pharma. It is used for overactive bladder (OAB) symptoms — urinary urgency, frequency and urge incontinence. Take exactly as directed by your clinician — do not adjust the dose yourself.
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What Darilong is and how it works
Darilong contains darifenacin, a selective M3 muscarinic receptor antagonist. The detrusor (bladder smooth muscle) contracts mainly through M3 receptors; blocking them reduces involuntary contractions and the urgency and frequency they cause. Darifenacin’s M3 selectivity (~10× more than M1, M2) gives a slightly cleaner side-effect profile than older non-selective antimuscarinics — lower risk of cognitive side effects and tachycardia — but dry mouth and constipation still occur because the same M3 receptors are present in salivary glands and gut.
Darilong is used for the storage-symptom complex of OAB: urgency (sudden compelling desire to urinate), frequency (≥ 8 voids per 24 hours), nocturia, and urge incontinence. It is not for stress incontinence (leak on cough/sneeze), urinary retention or BPH-related obstruction.
Dose and how to take it
| Patient group | Recommended dose |
|---|---|
| Adults with OAB — starting dose | 7.5 mg once daily |
| Adults — titration if needed after 2 weeks | Increase to 15 mg once daily |
| Concurrent strong CYP3A4 inhibitor (ketoconazole, itraconazole, clarithromycin, ritonavir, nefazodone) | Cap at 7.5 mg/day; avoid 15 mg |
| Moderate hepatic impairment (Child-Pugh B) | Cap at 7.5 mg/day |
| Svår leversvikt (Child-Pugh C) | Avoid |
Take whole, with or without food, at the same time each day. Do not crush, chew or break — the modified-release matrix gives 24-hour cover. Symptom improvement begins within 1–2 weeks; full benefit in 4–6 weeks. Stop and reassess if no benefit at 8 weeks.
⚠ Anticholinergic burden — especially in older adults
Darifenacin adds to the total anticholinergic load from other medicines (TCAs, sedating antihistamines, oxybutynin, hyoscine, certain Parkinson drugs). High anticholinergic burden over months has been linked to cognitive decline and increased dementia risk in older adults. Review concurrent medicines and use the lowest effective dose. Mirabegron (a beta-3 agonist with no anticholinergic effect) is an alternative if burden is a concern.
Biverkningar
| Side effect | Frekvens | Anteckningar |
|---|---|---|
| Dry mouth | Very common (~20%) | Sugar-free gum, hydration, sip water; usually settles |
| Constipation | Very common (~15%) | Increase fibre and fluids; bulk laxative if persistent |
| Dry eyes | Common | Lubricant drops |
| Indigestion / nausea | Common | Take with food |
| Blurred vision | Common | Avoid driving until adjusted |
| Urinary retention | Ovanliga | Stop and review — risk in BPH |
| Tachycardia | Ovanliga | Lower than non-selective agents |
| Cognitive side effects (memory, confusion) | Ovanliga | Greater risk in older adults |
| Acute angle-closure glaucoma | Sällsynt | Eye pain → same-day ophthalmology |
Läkemedelsinteraktioner
| Combination | Effekt | Action |
|---|---|---|
| Strong CYP3A4 inhibitors (ketoconazole, itraconazole, ritonavir, clarithromycin) | Major rise in darifenacin levels | Cap at 7.5 mg; avoid 15 mg |
| Strong CYP3A4 inducers (rifampicin, phenytoin, carbamazepine) | Loss of effect | Switch to a non-CYP3A4 alternative |
| Other anticholinergics (oxybutynin, TCAs, sedating antihistamines, hyoscine) | Additive dry mouth, constipation, cognition | Reduce burden where possible |
| CYP2D6 substrates with narrow window (flecainide, imipramine) | Levels may rise via CYP2D6 inhibition | Monitor / dose adjust |
| Digoxin | Mild rise in digoxin levels | Routine monitoring |
Who should not take Darilong
- Urinary retention or significant bladder-outflow obstruction
- Gastric retention, severe ulcerative colitis, toxic megacolon, paralytic ileus
- Uncontrolled narrow-angle glaucoma
- Myasthenia gravis
- Svår leversvikt (Child-Pugh C)
- Pregnancy / breastfeeding (no human data)
Vanliga frågor
How is darifenacin different from other OAB medications?
Darifenacin is the most M3-selective antimuscarinic. That gives slightly less cognitive impact than oxybutynin and less tachycardia than non-selective agents. The trade-off is similar dry-mouth and constipation rates because M3 receptors also live in salivary glands and gut.
When will I notice an improvement?
Most users notice fewer urgency episodes within 1–2 weeks and full benefit by 4–6 weeks. Keep a 3-day bladder diary at baseline and again at week 4 to check progress objectively.
What if 7.5 mg isn’t enough?
After at least 2 weeks at 7.5 mg, your prescriber can step you up to 15 mg once daily. Side effects (especially dry mouth and constipation) increase modestly with the higher dose.
Can I take Darilong with mirabegron?
The combination is sometimes used for refractory OAB and is supported by the BESIDE / SYNERGY trials. It is initiated by a urologist; do not combine on your own.
I’m a man with both BPH and OAB — can I take this?
Antimuscarinics are usually combined with an alpha-blocker (e.g. tamsulosin or alfuzosin) for the “wet” storage symptoms once outflow obstruction is addressed. Make sure post-void residual urine has been measured first — antimuscarinics in significant retention worsen the problem.
Why does my mouth feel so dry?
Salivary glands have M3 receptors. Hydration, sugar-free gum or lozenges, and avoiding caffeine help. If intolerable after 4 weeks, ask about mirabegron (no anticholinergic effect).
Can I drink alcohol on Darilong?
Modest amounts are usually fine. Alcohol is itself a bladder irritant and can aggravate OAB symptoms; reducing alcohol often helps independently of the medication.
Vad ska jag göra om jag missar en dos?
Take it as soon as you remember on the same day. If it is almost time for the next dose, skip the missed dose and continue normally — never double up.
Is darifenacin safe in older adults?
Use cautiously and at the lowest effective dose. Total anticholinergic burden — not just darifenacin alone — drives the cognitive risk. Mirabegron is the cleaner choice if burden is high.
Can I stop suddenly?
Yes — there is no withdrawal effect. Symptoms simply return within 1–2 weeks if the underlying OAB hasn’t resolved.
Other Bladder & Prostate Medications
- Urotel XL (tolterodine ER) — alternative antimuscarinic
- Floslo (solifenacin) — once-daily M3-selective antimuscarinic
- Mirago (mirabegron) — non-anticholinergic option
- Oxyspas (oxybutynin) — older non-selective antimuscarinic
- Urispas (flavoxate) — smooth-muscle relaxant for cystitis spasm
Medicinsk ansvarsfriskrivning. The information on this page is for general educational purposes only and is not a substitute for advice from a qualified clinician. Discuss any new medication or dose change with your doctor or pharmacist, especially if you are pregnant, breastfeeding, have other medical conditions, or take other medicines.
Fler alternativ i Bladder Prostate
Rangerade efter senaste ordervolym på MedsBase — vad andra kunder i denna kategori väljer.
| Styrka | 15 mg |
|---|---|
| Kvantitet | 30 Tablet/s, 60 Tablet/s, 90 Tablet/s |
| Pharma Form | Tablet/s |
| Manufacturer | Sun Pharma |
| Treatment | Overactive bladder (OAB) symptoms |
| Generic Brand | Darifenacin XR |
Darilong
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