Installment Available Detrusitol Sr 4mg Capsule
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Overview
Detrusitol Sr 4mg Capsule is a capsule with Tolterodine Tartrate 4mg (sustained-release) declared as its active content. It is supplied in a pack size of 30s.
This is a non-prescription product and can be purchased without a prescription. Only product, safety and handling details are published on this page.
An online consultation with a DoctorOnCall doctor or pharmacist is available for this product, and a registered pharmacist reviews each order before dispatch to Malaysia or Singapore. Follow the directions on the label and on the leaflet inside the pack.
Directions for Use
Detrusitol SR 4mg Capsule should be taken exactly as prescribed by your doctor, usually once daily, swallowed whole with a glass of water. The capsule should not be chewed, crushed, or opened, as this may affect the sustained-release action of the medicine, and it may be taken with or without food.
Dosage
The usual adult dose of Detrusitol SR is one 4mg capsule taken once daily, though the doctor may adjust this to a lower dose, such as 2mg, for patients with reduced liver function, those taking certain interacting medicines, or those who experience bothersome side effects. Dosage should not be changed without consulting the prescribing doctor.
Shelf Life
Detrusitol SR 4mg Capsule should be used within the shelf life stated on the packaging when stored under the recommended conditions. Do not use the capsules after the expiry date printed on the box or blister strip, and dispose of any expired or unused medicine safely.
Storage Instructions
Store Detrusitol SR 4mg Capsule in a cool, dry place below 30°C, away from direct sunlight and moisture. Keep the capsules in their original blister packaging until ready for use, and store out of the sight and reach of children.
Side Effects
- Dry mouth
- Headache
- Dizziness
- Constipation
- Blurred vision
- Drowsiness
- Stomach discomfort
Contraindications
- Known hypersensitivity to tolterodine or any component of the capsule
- Urinary retention
- Uncontrolled narrow-angle glaucoma
- Myasthenia gravis
- Severe ulcerative colitis
- Toxic megacolon
- Severe hepatic impairment
Drug / Food Interactions
- Increased tolterodine levels when combined with strong CYP3A4 inhibitors such as certain antifungal medicines (ketoconazole, itraconazole) or antibiotics (clarithromycin)
- Additive antimuscarinic effects with other medicines that have anticholinergic activity, increasing dry mouth, constipation, or blurred vision
- Caution with other medicines that prolong the QT interval of the heart
- Grapefruit juice may increase blood levels of tolterodine
Quick Tips
- Take Detrusitol SR at the same time each day for consistent effect
- Swallow the capsule whole; do not chew, crush, or open it
- Report persistent dry mouth or constipation to your doctor, as these can often be managed
- Keep scheduled follow-up appointments so your doctor can monitor your response and bladder symptoms
- Tell your doctor about all other medicines you are taking, including over-the-counter products
Frequently Asked Questions
Do I need a prescription to buy Detrusitol Sr 4mg Capsule?
No. Detrusitol Sr 4mg Capsule is a non-prescription product and can be ordered without a prescription. It is still dispensed by a registered pharmacist on DoctorOnCall.
What does Detrusitol Sr 4mg Capsule contain?
Detrusitol Sr 4mg Capsule is a capsule containing Tolterodine Tartrate 4mg (sustained-release). The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.
What pack sizes does Detrusitol Sr 4mg Capsule come in?
It is supplied in a pack size of 30s. Choose the pack size you need from the options shown on this page before adding the item to your cart.
Why is there no information here about what Detrusitol Sr 4mg Capsule is for?
This page is limited to product, safety and handling information in line with Malaysian rules on medicine information. If you want advice on whether this product suits you, book an online consultation with a doctor or pharmacist on DoctorOnCall.
How should I use Detrusitol Sr 4mg Capsule?
Use it exactly as stated on the pack label, without changing the amount or how often you use it. If anything on the label is unclear, check with a pharmacist before the first use, and read the Directions for Use section on this page.
Can I speak to a doctor or pharmacist about Detrusitol Sr 4mg Capsule before I buy it?
Yes. DoctorOnCall offers online consultations with licensed doctors and registered pharmacists, so you can ask about this product, your existing medicines, or anything on the label before you place an order.
How should I store Detrusitol Sr 4mg Capsule?
Store Detrusitol SR 4mg Capsule in a cool, dry place below 30°C, away from direct sunlight and moisture. Keep the capsules in their original blister packaging until ready for use, and store out of the sight and reach of children. Keep it in its original pack and do not use it after the expiry date printed on the packaging.
What should I do if I notice side effects after using Detrusitol Sr 4mg Capsule?
Stop using the product and speak to a doctor or pharmacist about any reaction that concerns you. Seek medical care immediately for signs of a severe reaction such as difficulty breathing, swelling of the face, lips or throat, or a widespread rash. Reported reactions are listed in the Side Effects section on this page.
How long will delivery take?
Within Malaysia, standard delivery takes 3 to 5 working days. Same-day delivery is available in the Klang Valley for orders placed before 12pm; orders placed after 12pm arrive by the end of the next day.
Orders to Singapore are sent as international deliveries and take 5 to 9 working days. A lump-sum shipping and handling fee applies to every overseas delivery and is shown at checkout.
What payment methods can I use?
Customers in Malaysia can pay by FPX online banking, credit or debit card (Visa and Mastercard), and supported e-wallets including Touch ‘n Go eWallet, GrabPay and ShopeePay.
FPX and local e-wallets are tied to Malaysian bank and wallet accounts, so if your delivery address is in Singapore, use the payment options displayed at checkout for that address rather than assuming the same list applies.
Can Detrusitol Sr 4mg Capsule be delivered to Singapore?
Yes. DoctorOnCall ships to Singapore as an international order dispatched from Malaysia, arriving in 5 to 9 working days with a lump-sum shipping and handling fee.
Singapore’s Health Sciences Authority (HSA) allows personal imports of up to three months’ supply of a medicine for your own use or an immediate family member’s, as long as it contains no controlled drugs, psychotropic substances or prohibited items. Keep the product in its original labelled packaging and keep a copy of your prescription or doctor’s letter with it. Quantities above three months’ supply, and medicines containing controlled substances, require prior HSA approval.
Is Detrusitol Sr 4mg Capsule registered with the authorities?
Products listed on DoctorOnCall are registered with Malaysia’s Ministry of Health for supply in Malaysia, and each pack carries its MAL registration number.
An order delivered to Singapore arrives as a personal import of a Malaysia-registered product; HSA product registration is not required for personal-use quantities, but it is also not the same as a product registered for sale in Singapore. If you need a locally registered Singapore product, buy it from a pharmacy in Singapore.
Who do I contact if there is a problem with my order?
DoctorOnCall’s customer care team handles order, delivery and product queries through the contact channels on the site, including WhatsApp and the online help centre.
For deliveries to Singapore, allow more time before chasing an order than you would for a local Malaysian delivery, as the parcel passes through customs clearance and tracking updates can appear later in the journey.
Ingredients / Active Ingredients
- Tolterodine Tartrate 4mg (sustained-release)
Safety Advice
Pregnancy
Limited information is available regarding use during pregnancy. Use only if clearly needed.
Breastfeeding
Limited data on excretion in breast milk. Consult a doctor before use.
Kidney
Use cautiously. Dose adjustment or monitoring may be required.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
It is not advisable to drive if you experience side effects from this medicine.
Relevant Information
Because Detrusitol SR 4mg Capsule is a prescription medicine for a chronic condition, ongoing doctor follow-up is important to assess how well bladder symptoms are controlled and to monitor for side effects such as urinary retention, especially in older patients or those with other bladder or prostate conditions. Lifestyle measures such as bladder training and fluid management may be recommended alongside medication for best results.
