Installment Available Nuelin SR 125mg Tablet
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Overview
Nuelin SR 125mg Tablet is a tablet with Theophylline 125mg declared as its active content. It is supplied in a pack size of 20s.
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
Take Nuelin SR 125mg Tablet exactly as prescribed by your doctor, at consistent times each day to help maintain steady blood levels, generally swallowed whole with a full glass of water. Do not crush, chew, or break the tablet, as this can disrupt the sustained-release mechanism and release too much theophylline at once. Your doctor may start you on this lower strength before adjusting upward based on your clinical response and blood test results.
Dosage
Dosage of Nuelin SR 125mg Tablet is individualised by your doctor, taking into account body weight, age, smoking status, liver function, other medicines, and blood theophylline level monitoring; it should never be self-adjusted. This lower strength is often used as an initiating dose or for patients needing smaller total daily amounts, typically given twice daily, with your doctor deciding on any step-up to a higher strength (such as Nuelin SR 250mg) based on your response and blood level results.
Shelf Life
Do not use this medicine beyond the expiry date stated on the packaging. Your pharmacist can confirm the exact expiry date at the time of dispensing.
Storage Instructions
Store below 30°C in a dry place away from direct sunlight and moisture, and keep the tablets in their original packaging until use. Keep out of the sight and reach of children at all times.
Side Effects
- Nausea or upset stomach
- Headache or dizziness
- Trouble sleeping (insomnia)
- Increased heart rate
- Irritability or restlessness
- Muscle cramps or twitching
Contraindications
- Known hypersensitivity to theophylline or other xanthine derivatives.
- Uncontrolled seizure disorders.
- Active peptic ulcer disease, unless specifically advised by your doctor.
- Uncontrolled cardiac arrhythmias.
- Should not be started, stopped, or dose-adjusted without a doctor’s supervision due to the narrow therapeutic index.
Drug / Food Interactions
- Certain antibiotics (such as ciprofloxacin, erythromycin) and antifungals can raise theophylline blood levels significantly, increasing toxicity risk.
- Smoking and some anti-seizure medicines (such as phenytoin, carbamazepine) can lower theophylline levels, potentially reducing effectiveness.
- Caffeine-containing foods and drinks may add to stimulant-type side effects such as jitteriness or palpitations.
- Other bronchodilators, diuretics, and certain heart medicines may interact with theophylline; always inform your doctor of all medicines and supplements you are taking.
- Any change in smoking status should be reported to your doctor, as it can significantly alter theophylline levels and require a dose review.
Quick Tips
- Take this medicine only as prescribed and attend all scheduled blood tests to monitor your theophylline level.
- Never crush, chew, or split the tablet — swallow it whole.
- Tell your doctor if you start or stop smoking, or begin any new medicine, as your dose may need review.
- Report symptoms such as persistent nausea, palpitations, or restlessness to your doctor promptly.
- Do not switch to a different strength or brand of theophylline without your doctor’s advice.
- Keep consistent daily dose timing to maintain steady blood levels.
Frequently Asked Questions
Do I need a prescription to buy Nuelin SR 125mg Tablet?
No. Nuelin SR 125mg Tablet is a non-prescription product and can be ordered without a prescription. It is still dispensed by a registered pharmacist on DoctorOnCall.
What does Nuelin SR 125mg Tablet contain?
Nuelin SR 125mg Tablet is a tablet containing Theophylline 125mg. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.
What pack sizes does Nuelin SR 125mg Tablet come in?
It is supplied in a pack size of 20s. 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 Nuelin SR 125mg Tablet 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 Nuelin SR 125mg Tablet?
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 Nuelin SR 125mg Tablet 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 Nuelin SR 125mg Tablet?
Store below 30°C in a dry place away from direct sunlight and moisture, and keep the tablets in their original packaging until use. Keep out of the sight and reach of children at all times. 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 Nuelin SR 125mg Tablet?
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 Nuelin SR 125mg Tablet 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 Nuelin SR 125mg Tablet 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
- Active ingredient: Theophylline 125mg.
- Class: Methylxanthine bronchodilator.
- Dosage form: Sustained-release (SR) tablet, lower-strength option in the Nuelin SR range, often used to initiate therapy.
- Requires a valid doctor's prescription in Malaysia; not for self-selection.
Safety Advice
Pregnancy
Limited information is available regarding use during pregnancy. Use only if clearly needed.
Breastfeeding
Generally not recommended while breastfeeding.
Kidney
Generally safe, but caution may be required in some patients.
Liver
Use cautiously. Liver function monitoring may be required.
Alcohol
Caution is advised when consuming alcohol with this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
Relevant Information
Precautions: This lower starting strength still requires careful monitoring, particularly in the elderly, those with liver disease or heart failure, and in people with fever, as these factors can raise theophylline blood levels even at a modest dose. Smokers may need a different dose than non-smokers due to how smoking affects theophylline clearance.
When to See a Doctor or Pharmacist: Contact your doctor promptly if you experience nausea, vomiting, palpitations, tremor, or if your breathing symptoms are not adequately controlled on this starting dose, as an adjustment to a higher strength or a change in monitoring schedule may be needed.
