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Mefenamic Acid 500mg
Medically Reviewed by – Evan Rhodes, PharmD
Last Updated on 8 July 2026

Mefenamic Acid 500mg

$0.70 $0.86
Mefenamic Acid is prescribed for the short-term treatment of mild-to-moderate pain and inflammation. It belongs to a group of drugs called non-steroidal anti-inflammatory drugs. By reducing hormones that cause pain and inflammation in the body, Mefenamic Acid relieves menstrual cramps, headaches, dental pain, and muscle aches. This medicine may also be used to treat other conditions as determined by your doctor.
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Mefenamic Acid 500mg CouponCoupon DescriptionCoupon Expiry Date
SUNNY28Summer Spectacular Sale2026-07-31
Categories: Anti inflammatoryTag: Pills

What is Mefenamic Acid 500mg used for?

Mefenamic Acid 500mg is prescribed for the short-term treatment of mild-to-moderate pain and inflammation. It belongs to a group of drugs called non-steroidal anti-inflammatory drugs. By reducing hormones that cause pain and inflammation in the body, Mefenamic Acid relieves menstrual cramps, headaches, dental pain, and muscle aches. This medicine may also be used to treat other conditions as determined by your doctor.

What is the recommended dosage of Mefenamic Acid ?

The dosage of Mefenamic Acid prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

Take Mefenamic Acid with a full glass of water.

What if you miss a dose of Mefenamic Acid?

If your physician has instructed or directed you to take Mefenamic Acid medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Mefenamic Acid?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Mefenamic Acid, seek medical attention immediately.

What other drugs could interact with Mefenamic Acid 500mg?

It may be noted that drugs other than those listed above may also interact with Mefenamic Acid.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Mefenamic Acid, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Mefenamic Acid can interact with anti-platelet drugs, steroids, and diuretics.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the side effects of Mefenamic Acid 500mg?

Like other medicines, Mefenamic Acid 500mg can cause some side effects. If they do occur, the side effects of Mefenamic Acid are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Mefenamic Acid cannot be anticipated. If any side effects of Mefenamic Acid develop or change in intensity, the doctor should be informed as soon as possible.

Mefenamic Acid can cause side effects such as nausea, vomiting, heartburn, abdominal pain, diarrhea, dizziness, and headache. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Mefenamic Acid.

Is Mefenamic Acid 500mg Tablets available over the counter?

No. Mefenamic Acid 500mg Tablets is not available over the counter. This medicine requires a valid prescription because a healthcare provider must check whether it is appropriate for your condition, current medicines, and overall health before using it.

Is there a Coupon for Mefenamic Acid 500mg?

Coupons are available through International Drug Mart for Mefenamic Acid 500mg, while final pricing changes with quantity, these offers are designed to keep therapy budget-friendly. Patients across the United States can order with confidence thanks to consistent supply, competitive rates, and home shipping.

Why is a prescription needed for Mefenamic Acid 500mg Tablets?

A prescription is needed because Mefenamic Acid 500mg Tablets may cause side effects, drug interactions, or risks if used incorrectly. A healthcare provider must review your medical history and decide whether this medicine is appropriate for you.

What are the questions to ask your doctor before taking Mefenamic Acid 500mg Tablet?

Is it possible for me to take Mefenamic Acid with other drugs?
Should certain beverages, foods and other products be avoided when I take Mefenamic Acid?
What are the possible drug interactions of Mefenamic Acid?
How will Mefenamic Acid work in my body?
How should Mefenamic Acid be taken?
How to reduce the risk of Mefenamic Acid drug interactions and side effects?

Note

The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Mefenamic Acid is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.

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