Zyloric 300mg Tablet
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Prescription Required
Overview
Zyloric 300mg Tablet contains allopurinol 300mg, a xanthine oxidase inhibitor used to reduce high uric acid levels in the blood (hyperuricaemia), and to prevent recurrent gout attacks, uric acid kidney stones, and the sudden rise in uric acid that can occur during chemotherapy for certain cancers (tumour lysis syndrome).
Allopurinol works by blocking the enzyme xanthine oxidase, which the body normally uses to produce uric acid from purine breakdown. By reducing uric acid production, allopurinol lowers blood uric acid levels over time, helping to prevent the crystal deposits that cause gout.
How it Works
Allopurinol and its active metabolite oxypurinol inhibit xanthine oxidase, the enzyme that converts hypoxanthine to xanthine and then to uric acid. This lowers the amount of uric acid produced in the body, gradually reducing serum uric acid levels and preventing the formation of urate crystals in joints and the kidneys.
Directions for Use
Take Zyloric 300mg Tablet after food to reduce stomach upset, and drink plenty of fluids each day unless your doctor advises otherwise, as this helps prevent kidney stone formation. Continue taking it regularly even between gout attacks, as it works to prevent future attacks rather than to relieve pain during a current one.
Dosage
The dose of Zyloric 300mg Tablet is individualised based on your blood uric acid level and kidney function, and your doctor will typically start at a lower dose and adjust it gradually to reach your target uric acid level. Do not start this medicine during an acute gout attack, as starting it can temporarily worsen the flare – your doctor will advise the right time to begin.
Shelf Life
Use this product before the expiry date stated on the packaging. Do not use the medicine if the expiry date has passed.
Storage Instructions
Store below 30°C in a dry place, away from direct sunlight and out of reach of children.
Side Effects
- Skin rash or itching
- Nausea or vomiting
- Diarrhoea
- Drowsiness or dizziness
- Headache
- Mild joint pain
- Change in taste
Contraindications
- Known hypersensitivity to allopurinol or any ingredient in this product
- A previous severe skin reaction to allopurinol
- Asymptomatic hyperuricaemia alone, without gout, kidney stones, or another specific indication, in most cases
Drug / Food Interactions
- Azathioprine and mercaptopurine levels are markedly increased by allopurinol, requiring a substantial dose reduction of these medicines if combined
- Ampicillin and amoxicillin combined with allopurinol increase the risk of skin rash
- Warfarin’s blood-thinning effect may be enhanced, requiring closer INR monitoring
- ACE inhibitors and thiazide diuretics may increase the risk of hypersensitivity reactions when combined with allopurinol
Quick Tips
- Continue taking this medicine regularly even when you feel well, as it prevents future gout attacks rather than treating pain
- Drink plenty of water throughout the day unless your doctor advises otherwise
- Stop the medicine and seek urgent medical attention if you develop a skin rash, especially with fever or mouth sores
- Tell your doctor about all your other medicines, as several interact significantly with allopurinol
Frequently Asked Questions
What is Zyloric 300mg Tablet used for?
Zyloric 300mg Tablet is used to lower high uric acid levels in the blood and to prevent recurrent gout attacks and uric acid kidney stones. Your doctor will confirm the specific reason it has been prescribed for you.
Will this medicine relieve my current gout attack pain?
No, allopurinol does not relieve pain during an acute gout attack and can even temporarily worsen it if started during a flare. It works to prevent future attacks by lowering uric acid over time.
How long do I need to take this medicine?
Allopurinol is usually a long-term, often lifelong, treatment for chronic gout or hyperuricaemia. Do not stop it without consulting your doctor, even if your gout attacks have stopped.
What skin symptoms should I watch out for?
Seek medical attention immediately if you develop a widespread rash, blistering, peeling skin, fever, or mouth ulcers, as these can be signs of a rare but serious skin reaction.
What should I do if I miss a dose of Zyloric 300mg Tablet?
Take the missed dose as soon as you remember, unless it is almost time for your next dose – in that case, skip the missed dose and continue as normal. Do not double the dose.
Can I buy Zyloric 300mg Tablet from DoctorOnCall?
Yes, Zyloric 300mg Tablet is available through DoctorOnCall, a licensed online pharmacy serving our Malaysian and Singaporean customers. As this is a prescription medicine, you will need to complete an online consultation so a doctor can assess your suitability and issue a valid prescription before the order is processed. This ensures the medicine is appropriate for your condition and used under proper medical supervision, whether you are ordering from Malaysia or Singapore.
Is the medication provided by DoctorOnCall genuine and safe to use?
DoctorOnCall sources its medicines through appropriate licensed pharmacy supply channels for our Malaysian and Singaporean customers. All orders are dispensed and checked by a registered pharmacist before delivery. Always use Zyloric 300mg Tablet according to your doctor’s instructions and the information provided with the product.
What payment methods does DoctorOnCall accept?
We accept payment via Online Banking, Credit Card, and e-Wallets (Boost, GrabPay) for our Malaysian and Singaporean customers, so you can choose whichever method is most convenient for you at checkout.
Does DoctorOnCall provide an installment payment plan for Zyloric 300mg Tablet?
DoctorOnCall provides an installment payment plan for eligible Malaysian and Singaporean customers, where applicable. Available plans, eligibility, and terms can vary by market, so please contact DoctorOnCall Customer Service for the latest information on installment options for your order.
Is delivery free, and how much does shipping for Zyloric 300mg Tablet cost?
Delivery charges may vary for our Malaysian and Singaporean customers depending on your delivery location and the applicable order terms at the time of purchase. For the most accurate and up-to-date delivery fee information, please contact DoctorOnCall Customer Service before placing your order.
How long does delivery take for Zyloric 300mg Tablet?
Our Malaysian customers can generally expect delivery within 3-5 working days, while our Singaporean customers generally receive their orders within 5-7 working days. These are expected timeframes rather than guarantees, and actual delivery time may vary depending on your delivery location, order processing time, courier operations, and whether the order falls on a weekend or public holiday.
What is DoctorOnCall’s shipping, return, or cancellation policy for Zyloric 300mg Tablet?
Shipping, return, and cancellation terms may vary for our Malaysian and Singaporean customers depending on the product and your order details. Please refer to DoctorOnCall’s Shipping & Delivery Policy and Return, Refund & Exchange Policy, or contact Customer Service, for the specific terms that apply to your order.
Ingredients / Active Ingredients
- Allopurinol 300mg
Safety Advice
Pregnancy
This medicine should be used cautiously during pregnancy. Monitoring may be required.
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
It is not advisable to consume alcohol while taking this medicine.
Driving
Use caution while driving until you know how this medicine affects you.
Medical Review
