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Ponstan 500mg Tablet
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- FDA Approved
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Overview
Ponstan 500mg Tablet is a tablet with Mefenamic Acid 500mg declared as its active content. It is supplied in a pack size of 10s.
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 Ponstan 500mg Tablet exactly as prescribed by your doctor, swallowing it whole with a glass of water and preferably with or after a meal to lessen the chance of stomach upset. Do not take it together with other NSAIDs, including aspirin used for pain relief, unless your doctor has specifically advised this, and do not continue treatment beyond the period your doctor has recommended.
Dosage
Your doctor will determine the appropriate dose and duration based on the type and severity of your pain; a common regimen for adults is an initial 500mg dose followed by 250mg every six hours as needed, typically for a short course rather than ongoing use. Do not take more than the maximum daily amount your doctor specifies. If you forget a dose and it is nearly time for the next one, skip the missed dose instead of taking two doses close together.
Shelf Life
Ponstan 500mg Tablet remains stable until the expiry date printed on the packaging when stored correctly. Do not use the tablets after this date.
Storage Instructions
Store below 30°C in a dry place away from direct sunlight and moisture, keeping the tablets in their original packaging and out of the reach and sight of children.
Side Effects
- Stomach pain or discomfort
- Nausea or vomiting
- Diarrhea or constipation
- Headache
- Dizziness
- Skin rash
- Heartburn or indigestion
Contraindications
- Active peptic ulcer disease or a history of gastrointestinal bleeding
- Severe kidney impairment
- Severe liver impairment
- Severe or decompensated heart failure
- Known hypersensitivity to mefenamic acid, aspirin, or other NSAIDs (including NSAID-triggered asthma or urticaria)
- Pregnancy, particularly in the third trimester
- Active inflammatory bowel disease
Drug / Food Interactions
- Anticoagulants such as warfarin, which increase bleeding risk when taken together
- Other NSAIDs or aspirin, adding to gastrointestinal and kidney-related risk
- ACE inhibitors, ARBs, and diuretics used together with an NSAID, which can reduce kidney function
- Lithium, as mefenamic acid can raise blood lithium levels
- Methotrexate, as NSAIDs can increase its toxicity
- Corticosteroids, which increase the risk of stomach irritation in combination with an NSAID
- Alcohol, which can worsen stomach irritation
Quick Tips
- Take with food to help lower the risk of stomach irritation
- Keep to the exact dose and course length your doctor prescribes
- Check with your pharmacist before combining Ponstan with any other pain reliever
- Seek urgent medical attention for black stools, severe abdominal pain, or vomiting blood
- Drink enough fluids while taking this medicine
- Let your doctor know about any history of ulcers, kidney disease, or heart conditions before starting treatment
Frequently Asked Questions
Do I need a prescription to buy Ponstan 500mg Tablet?
No. Ponstan 500mg 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 Ponstan 500mg Tablet contain?
Ponstan 500mg Tablet is a tablet containing Mefenamic Acid 500mg. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.
What pack sizes does Ponstan 500mg 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 Ponstan 500mg 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 Ponstan 500mg 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 Ponstan 500mg 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 Ponstan 500mg Tablet?
Store below 30°C in a dry place away from direct sunlight and moisture, keeping the tablets in their original packaging and out of the reach and sight 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 Ponstan 500mg 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 Ponstan 500mg 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 Ponstan 500mg 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
- Mefenamic Acid 500mg
- Tablet binders and disintegrants
- Film coating agents
Safety Advice
Pregnancy
This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.
Breastfeeding
Use with caution. Monitor infant for potential adverse reactions.
Kidney
Use only if prescribed, with possible monitoring of kidney function.
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
Ponstan 500mg Tablet and Pontalon 500mg Tablet contain the same active ingredient and strength, mefenamic acid 500mg, but are different brands; your pharmacist or doctor can advise on brand availability, and either may be dispensed depending on stock and your doctor’s prescription. As with any mefenamic acid product, this medicine is generally intended for short-term relief of acute pain rather than long-term daily use, so consult your doctor again if your pain persists or returns frequently.
