Avonac SR 100mg Tablet
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Overview
Avonac SR 100mg Tablet is supplied as a tablet, with Diclofenac Sodium 100mg (sustained-release). It is supplied in a pack size of 10s.
No prescription is required for this product, as it is a non-prescription medicine. This page is limited to product, safety and handling information.
If you would like guidance before buying, you can speak to a doctor or pharmacist through an online consultation on DoctorOnCall. Orders are dispensed by a registered pharmacist and delivered to your address.
Directions for Use
Take Avonac SR 100mg Tablet as prescribed by your doctor, swallowing the tablet whole with a full glass of water, preferably with food or after meals to reduce the risk of stomach upset. Do not crush, break, or chew the tablet, as this can affect the sustained-release mechanism and increase the risk of side effects. Take at the same time each day for consistent symptom relief.
Dosage
The typical adult dose prescribed is one tablet (100mg) taken once daily, although your doctor may adjust the dose based on your condition, response to treatment, and risk factors for NSAID-related side effects. The lowest effective dose for the shortest duration necessary is generally recommended, and long-term use should be reviewed periodically by your prescribing doctor.
Shelf Life
Avonac SR 100mg Tablet should be used within the shelf-life period printed on the packaging when stored under the recommended conditions. Do not use the tablets after the expiry date shown on the box or blister strip.
Storage Instructions
Store below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the tablets in their original blister packaging until ready for use, and keep out of reach of children.
Side Effects
Common side effects may include:
- Stomach pain or discomfort
- Nausea or vomiting
- Indigestion or gas
- Headache or dizziness
- Skin rash or itching
- Swelling in hands or feet
Contraindications
- Known hypersensitivity to diclofenac, aspirin, or other NSAIDs, including a history of asthma, urticaria, or allergic reactions triggered by these medicines
- Active or history of peptic ulcer disease or gastrointestinal bleeding
- Severe heart failure, significant kidney or liver impairment
- Third trimester of pregnancy
- Active cardiovascular disease requiring careful medical assessment before use
Drug / Food Interactions
- Increased risk of gastrointestinal bleeding when combined with other NSAIDs, aspirin, corticosteroids, or anticoagulants such as warfarin
- May reduce the effectiveness of certain blood pressure medicines, including ACE inhibitors and diuretics
- Caution when combined with methotrexate or lithium, as diclofenac may increase their blood levels
- Alcohol may increase the risk of stomach irritation and should be limited during treatment
- Inform your doctor of all other medicines and supplements you are taking before starting treatment
Quick Tips
- Take with food to reduce the risk of stomach upset
- Do not exceed the dose or duration prescribed by your doctor
- Report any signs of stomach pain, black stools, or unusual bruising to your doctor immediately
- Monitor blood pressure regularly if you have hypertension or cardiovascular risk factors
- Avoid combining with other pain relievers unless advised by your doctor
- Follow up with your prescribing doctor via DoctorOnCall to review ongoing treatment and monitoring needs
Frequently Asked Questions
Do I need a prescription to buy Avonac SR 100mg Tablet?
No. Avonac SR 100mg 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 Avonac SR 100mg Tablet contain?
Avonac SR 100mg Tablet is a tablet containing Diclofenac Sodium 100mg (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 Avonac SR 100mg Tablet come in?
It is supplied in a pack size of 10s. 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 Avonac SR 100mg 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 Avonac SR 100mg Tablet?
Follow the instructions printed on the label and in the leaflet supplied with the pack, and do not exceed the stated amount or duration. Handling steps are set out in the Directions for Use section on this page.
Can I speak to a doctor or pharmacist about Avonac SR 100mg 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 Avonac SR 100mg Tablet?
Store below 30°C in a cool, dry place away from direct sunlight and moisture. Keep the tablets in their original blister packaging until ready for use, and keep out of 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 Avonac SR 100mg 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 Avonac SR 100mg 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 Avonac SR 100mg 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
- Diclofenac Sodium 100mg (sustained-release)
Safety Advice
Pregnancy
This medicine is not considered safe during pregnancy and should be avoided.
Breastfeeding
Use during breastfeeding should only be done if prescribed and monitored by a doctor.
Kidney
No adequate data available. Consult a doctor before use.
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
As a sustained-release oral NSAID, Avonac SR 100mg Tablet requires careful medical assessment before use, particularly for individuals with cardiovascular, gastrointestinal, or kidney risk factors. Periodic review with your prescribing doctor via DoctorOnCall helps ensure the medicine remains appropriate and any side effects are identified early.
