Drug Identity
Active Ingredient
Mefenamic Acid
Chemical Class
Anthranilic Acid
Pharmacological Group
on the basis of mechanism of action and also cl...
What is Ponstan Forte?
Uses
Mefenamic acid is a nonsteroidal anti-inflammatory drug (NSAID) that is used short-term (7 days or less) to treat mild to moderate pain i...
How It Works
Chemical Class
Anthranilic Acid
Pharmacological Group
on the basis of mechanism of action and also classified in Analgesics and Anti-inflammatory Agents pharmacological group
It is of Synthetic origin and belongs to Anthranilic Acid. It belongs to Cyclo-oxygenase inhibitor pharmacological group on the basis of mechanism of action and also classified in Analgesics and Anti-inflammatory Agents pharmacological group. The Molecular Weight of Mefenamic Acid is 241.30. Its pKa is 4.2.
How to Take It
1
Adult · PO
500 mg — 8 hourly
2
Adult
Scraped Dose
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the lowest dose that is effective in treati
3
Child · Oral
25 mg/kg — 8 hourly
Safety Alerts
Mefenamic acid can increase your risk of fatal heart attack or stroke, even if you don't have any risk factors
Do not use this medicine just before or after heart bypass surgery (coronary artery bypass graft, or CABG)
Mefenamic acid may also cause stomach or intestinal bleeding, which can be fatal
These conditions can occur without warning while you are using mefenamic acid, especially in older adults
You should not use mefenamic acid if you are allergic to it, or if you have: an active ulcer or stomach bleeding
Important Warnings
Mefenamic acid can increase your risk of fatal heart attack or stroke
Do not use mefenamic acid just before or after heart bypass surgery (coronary artery bypass graft, or CABG)
Mefenamic acid may also cause stomach or intestinal bleeding, which can be fatal
Side Effects
Get emergency medical help if you have signs of an allergic reaction (sneezingrunny or stuffy nosehiveswheezing or trouble breathingswelling in your face or throat) or a severe skin reaction (feversore throatburning eyesskin painred or purple skin rash with blistering and peeling). Get emergency medical help if you have signs of a heart attack or stroke: chest pain spreading to your jaw or shouldersudden numbness or weakness on one side of the bodyslurred speechfeeling short of breath. Stop using mefenamic acid and seek medical treatment if you have a serious drug reaction that can affect many parts of your body. Symptoms may include skin rashfeverswollen glandsmuscle aches
Drug Interactions
Ask your doctor before using mefenamic acid if you take an antidepressant. Taking certain antidepressants with an NSAID may cause you to bruise or bleed easily. Tell your doctor about all your other medicines
especially: lithium
methotrexate
antacids such as Milk of Magnesia
Maalox
Mylanta
or Rolaids
a blood thinner (warfarin
Storage
Tab, Caps Store Below 40°C. Protect from Sunlight and Moisture.
Price Intelligence
Rs 57.7
DVAGO observed price · per pack of 10 · as of 30 July 2026
Rs 5.77 per unit
No approved ceiling matched to this exact pack and strength.
Prices across sources
DVAGOper pack of 10Rs 57.7
Should you consider an alternative?
Other options containing Mefenamic Acid, and what they are not.
Identical active ingredient at the same strength. Cheapest per unit first.
DOLOR DS
500 MG
Rs 244Rs 2.44/unit
Lowest price per unitADAMJEE PHARMACEUTICALS
Gardan
500mg
Rs 390
SANOFI AVENTIS (PAKISTAN) LTD.
Zopan
500mg
Rs 548
No DRAP alertsPHARMATEC
Ponstan
500mg
Rs 602
Pfizer Laboratories (Pvt) Ltd.
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
Often Bought Together
For pharma professionalsCompany, market and opportunity intelligence
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brands
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