Do I need a prescription to buy Pharmaniaga Mefenemic Acid 500mg Tablet?

No. Pharmaniaga Mefenemic Acid 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 Pharmaniaga Mefenemic Acid 500mg Tablet contain?

Pharmaniaga Mefenemic Acid 500mg Tablet is a tablet containing Mefenamic acid 500mg – active NSAID ingredient. The full ingredient list is shown in the Composition or Ingredients section on this page and on the product packaging.

What pack sizes does Pharmaniaga Mefenemic Acid 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 Pharmaniaga Mefenemic Acid 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 Pharmaniaga Mefenemic Acid 500mg 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 Pharmaniaga Mefenemic Acid 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.

What should I do if I notice side effects after using Pharmaniaga Mefenemic Acid 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 Pharmaniaga Mefenemic Acid 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 Pharmaniaga Mefenemic Acid 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.

Pharmaniaga Mefenamic Acid 500mg Tablet for period pain, headache and fever relief | DoctorOnCall Malaysia

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Pharmaniaga Mefenemic Acid 500mg Tablet

Brand Pharmaniaga

Manufacturer Pharmaniaga

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Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester

Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated: November 11, 2026

Overview

Pharmaniaga Mefenemic Acid 500mg Tablet is a tablet with Mefenamic acid 500mg – active NSAID ingredient 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 Pharmaniaga Mefenemic Acid 500mg Tablet exactly as prescribed by your doctor, swallowing the tablet whole with a full glass of water, preferably with or after food to reduce the risk of stomach irritation. For menstrual pain, it is often started at the onset of pain or bleeding, as advised by your doctor, and should not be used for longer than the recommended short-term course.

Dosage

The typical prescribed dose for adults is one 500mg tablet taken up to three times a day as needed for pain, usually for no more than seven days at a time unless otherwise directed by your doctor. Always follow your doctor’s specific dosing instructions, and do not exceed the maximum daily dose stated on the label.

Storage Instructions

Store below 30°C in a cool, dry place away from direct sunlight and moisture, keeping tablets in their original blister packaging until ready to use. Keep out of the reach and sight of children at all times.

Side Effects

Stomach pain or discomfort
Nausea or vomiting
Diarrhea or constipation
Headache
Dizziness
Skin rash
Heartburn or indigestion

Contraindications

Known hypersensitivity to mefenamic acid, aspirin, or other NSAIDs, including a history of asthma, hives, or allergic reactions triggered by these medicines
Active or recurrent peptic ulcer disease or gastrointestinal inflammation/bleeding
Severe kidney or liver impairment
Severe heart failure
Third trimester of pregnancy

Drug / Food Interactions

Other NSAIDs or aspirin taken together increase the risk of stomach irritation and bleeding
Blood thinners such as warfarin combined with mefenamic acid raise the risk of bleeding
ACE inhibitors, ARBs, or diuretics used for blood pressure may be less effective and pose greater kidney risk when combined with mefenamic acid
Corticosteroids taken alongside mefenamic acid further increase gastrointestinal ulcer risk
Lithium and methotrexate levels may rise to unsafe levels when combined with mefenamic acid
Alcohol increases the risk of stomach irritation and bleeding when combined with this medicine

Quick Tips

Take with food to reduce the chance of stomach upset
Do not use for longer than the short course your doctor has recommended, generally not beyond seven days
Avoid combining with other NSAIDs, aspirin, or excessive alcohol
Watch for diarrhoea, which is relatively common with this medicine, and stay well hydrated
Report black or bloody stools, persistent stomach pain, or unusual bruising to your doctor immediately
Inform your doctor of any stomach, kidney, liver, or heart conditions before starting treatment

Ingredients / Active Ingredients

Mefenamic Acid

Mefenamic acid 500mg - active NSAID ingredient
Other pharmaceutical excipients as per manufacturer's formulation

Safety Advice

Pregnancy

Safe If Prescribed

This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.

Breastfeeding

Use With Care

Use with caution. Monitor infant for potential adverse reactions.

Kidney

Safe If Prescribed

Use only if prescribed, with possible monitoring of kidney function.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Use With Care

Caution is advised when consuming alcohol with this medicine.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Relevant Information

Mefenamic acid is generally intended for short-term use rather than continuous long-term therapy, and prolonged or repeated courses should only continue under a doctor’s supervision given the cumulative risk of gastrointestinal and other NSAID-related side effects. Anyone with a history of stomach ulcers, kidney disease, heart disease, or who is elderly should be assessed carefully before starting, and should seek prompt medical attention if severe stomach pain, black stools, or persistent diarrhoea occur.

Frequently Asked Questions

Product Specifications

Brand	Pharmaniaga
Manufacturer	Pharmaniaga
Classification	Non-prescription
Ingredients / Active Ingredients	Mefenamic Acid
Pack Size	10s
Shelf Life	Use this medicine before the expiry date printed on the blister strip or carton. Do not use tablets beyond their expiry date, and dispose of unused or expired tablets responsibly rather than keeping them for later use.