Ponstan

Description

What Is Ponstan?

Ponstan is a brand name commonly used for mefenamic acid, a medicine belonging to the group of drugs called non-steroidal anti-inflammatory drugs (NSAIDs). It is primarily used to relieve pain, inflammation and menstrual cramps.

Mefenamic acid works by reducing the production of substances called prostaglandins in the body. Prostaglandins contribute to pain, inflammation and fever. By reducing their production, Ponstan can help decrease pain and swelling.

Ponstan may be prescribed or recommended for conditions such as period pain, toothache, muscle pain, joint pain and other short-term painful conditions. It is generally intended for short-term use because prolonged or inappropriate NSAID use can increase the risk of stomach, kidney and cardiovascular problems.

Ponstan is available in different formulations and strengths. The exact product available can vary by country, so patients should check the strength and instructions on their medicine package.

How Does Ponstan Work?

Mefenamic acid blocks enzymes called cyclooxygenase (COX-1 and COX-2). These enzymes are involved in the production of prostaglandins.

When prostaglandin production decreases:

Pain signals are reduced.
Inflammation may decrease.
Swelling can improve.
Menstrual cramps may become less severe.
Fever may also be reduced.

Ponstan does not simply numb pain. It works on some of the inflammatory processes responsible for pain and discomfort.

Ponstan for Menstrual Pain

One of the most common uses of Ponstan is dysmenorrhea, or painful menstrual periods.

During menstruation, increased prostaglandin production can cause stronger contractions of the uterus, resulting in cramps and lower abdominal pain. Mefenamic acid can reduce prostaglandin production and therefore help relieve menstrual discomfort.

Important Information

Ponstan should generally be taken at the lowest effective dose for the shortest appropriate period.

It should not be combined with other NSAIDs, such as ibuprofen, naproxen or diclofenac, unless specifically advised by a healthcare professional.

Uses

Menstrual Cramps

Ponstan is commonly used to relieve period pain and menstrual cramps.

It can reduce the intensity of uterine contractions associated with prostaglandins and may provide relief from lower abdominal and pelvic pain.

For some people, treatment is most effective when started at the beginning of menstrual pain, according to medical advice.

Toothache

Mefenamic acid may be used for short-term relief of dental pain.

It can reduce both pain and inflammation associated with some dental problems.

However, pain caused by tooth infection or another underlying dental condition requires appropriate dental treatment rather than relying only on painkillers.

Muscle Pain

Ponstan may help relieve certain types of short-term muscle pain, particularly when inflammation contributes to discomfort.

Joint Pain

Mefenamic acid can reduce pain and inflammation associated with some musculoskeletal conditions.

It may provide temporary symptom relief but does not necessarily treat the underlying cause of chronic joint disease.

Headache

Some people may use NSAIDs for certain headaches.

However, recurrent or severe headaches should be medically assessed rather than repeatedly treated with painkillers.

Postoperative Pain

A doctor may prescribe mefenamic acid for certain types of short-term pain after medical or dental procedures.

The choice depends on the patient's health and bleeding risk.

Fever and Pain

Mefenamic acid has pain-relieving and fever-reducing properties.

However, it is not usually the first choice for every fever, and the underlying cause should be considered.

Important Consideration

Ponstan treats pain and inflammation but does not cure the underlying cause of many painful conditions.

For example, if severe tooth pain is caused by an infection, dental treatment may be necessary even if Ponstan temporarily reduces the pain.

Side Effects

Like other NSAIDs, Ponstan can cause side effects, particularly when taken at high doses or for extended periods.

Stomach Pain

Mefenamic acid can irritate the stomach lining and may cause abdominal discomfort.

Taking it with food may reduce stomach irritation.

Indigestion

Indigestion, heartburn or an uncomfortable feeling in the stomach can occur.

Persistent digestive symptoms should be discussed with a healthcare professional.

Nausea

Some people may experience nausea while taking Ponstan.

Taking the medicine with food may help if it is suitable for you.

Diarrhea

Mefenamic acid can sometimes cause diarrhea.

Severe or persistent diarrhea should be medically evaluated.

Constipation

Constipation can occasionally occur.

Maintaining adequate fluids and dietary fiber may help when medically appropriate.

Dizziness

Dizziness can occur in some people.

Avoid driving or operating machinery if you feel significantly dizzy.

Headache

Although Ponstan is used for pain relief, headache can rarely occur as a side effect.

Stomach Ulcers and Bleeding

One of the more serious risks of NSAIDs is stomach or intestinal ulceration and bleeding.

Warning signs include black, tarry stools, vomiting blood or severe abdominal pain.

Seek urgent medical attention if these symptoms occur.

Kidney Problems

NSAIDs can reduce blood flow to the kidneys in susceptible people.

The risk is higher in people with kidney disease, dehydration, heart failure or those taking certain medicines.

Fluid Retention

Ponstan can cause the body to retain fluid in some people.

This may result in swelling of the feet or ankles and can be particularly concerning in people with heart failure.

Increased Blood Pressure

NSAIDs can sometimes increase blood pressure or make existing hypertension more difficult to control.

Serious Allergic Reaction

Rarely, mefenamic acid can cause a serious allergic reaction.

Emergency medical attention is needed for difficulty breathing, facial or throat swelling, severe rash or fainting.

Dosage

Individualized Dosage

The correct Ponstan dose depends on the patient's age, medical condition, severity of pain, formulation and other medicines.

Always check the strength of the product because different formulations may contain different amounts of mefenamic acid.

Adult Dosage

For adults, mefenamic acid is commonly prescribed as 500 mg initially, followed by 250 mg every 6 hours as needed for some conditions.

However, dosing recommendations can vary by country, product and indication.

Use the dose prescribed by your doctor or stated on the approved product information.

Menstrual Pain

For menstrual cramps, mefenamic acid is generally used for a short period during the painful part of the menstrual cycle.

It should not be taken continuously throughout the month unless specifically prescribed.

Older Adults

Older adults may have a higher risk of stomach bleeding, kidney problems and cardiovascular complications from NSAIDs.

Doctors may recommend the lowest effective dose for the shortest possible duration.

Children

Mefenamic acid dosing in children depends on age, body weight and the specific product.

Do not give adult-strength Ponstan to a child unless specifically instructed by a healthcare professional.

Kidney Problems

People with kidney disease should use mefenamic acid only after discussing it with a doctor.

NSAIDs can worsen kidney function in susceptible individuals.

Liver Problems

People with liver disease may require special consideration before taking Ponstan.

Tell your doctor if you have a history of liver problems.

How to Take Ponstan

Ponstan should generally be taken with or after food and swallowed with water.

Do not exceed the recommended dose.

Missed Dose

If you are taking Ponstan on a scheduled basis and forget a dose, take it when remembered unless it is almost time for the next dose.

Do not take two doses together to compensate for a missed dose.

Overdose

Taking too much mefenamic acid can cause serious stomach, kidney and nervous-system problems.

Possible symptoms include severe nausea, vomiting, abdominal pain, dizziness or drowsiness.

A suspected overdose requires prompt medical attention.

Ponstan and Other Medicines

Mefenamic acid can interact with several medicines.

Always tell your doctor or pharmacist about all medicines, supplements and herbal products you use.

Ponstan and Ibuprofen

Ibuprofen and mefenamic acid are both NSAIDs.

Taking them together generally increases the risk of stomach bleeding, kidney problems and other adverse effects.

Do not combine them unless specifically instructed by a healthcare professional.

Ponstan and Naproxen

Naproxen is another NSAID and should generally not be combined with Ponstan without medical advice.

Ponstan and Diclofenac

Diclofenac and mefenamic acid both belong to the NSAID family.

Using them together can increase the risk of gastrointestinal and kidney complications.

Ponstan and Aspirin

Combining NSAIDs with aspirin can increase the risk of gastrointestinal bleeding.

Patients taking low-dose aspirin for cardiovascular protection should consult their doctor before using mefenamic acid.

Ponstan and Warfarin

Mefenamic acid may increase the risk of bleeding when combined with warfarin or other anticoagulants.

This combination requires medical supervision.

Ponstan and Blood Pressure Medicines

NSAIDs can sometimes reduce the effectiveness of certain blood pressure medicines and may increase the risk of kidney problems.

Ponstan and Diuretics

Medicines such as furosemide and hydrochlorothiazide may interact with NSAIDs.

Kidney function and blood pressure may require monitoring.

Ponstan During Pregnancy

Mefenamic acid should generally not be used during the later stages of pregnancy, particularly during the third trimester, because NSAIDs can cause serious problems for the developing baby and may affect labor.

NSAID use during pregnancy should only occur when specifically recommended by a healthcare professional.

If you are pregnant or planning pregnancy, consult your doctor before taking Ponstan.

Ponstan and Breastfeeding

Mefenamic acid can pass into breast milk.

Because other pain-relief medicines may be preferred during breastfeeding, discuss Ponstan use with your doctor or pharmacist before taking it.

How Long Does Ponstan Take to Work?

Mefenamic acid can begin providing pain relief within a few hours, although the exact timing varies depending on the individual and the type of pain.

It is generally intended for short-term symptom control.

If pain continues despite treatment, the underlying cause should be evaluated.

Ponstan and Food

Taking Ponstan with or after food may reduce stomach irritation.

Avoid taking more than the recommended dose even if pain remains.

Ponstan and Alcohol

Alcohol can increase irritation of the stomach and may contribute to the risk of gastrointestinal bleeding when combined with NSAIDs.

Avoid excessive alcohol while using mefenamic acid.

Ponstan and Dehydration

Dehydration can increase the risk of kidney problems associated with NSAIDs.

Drink adequate fluids unless you have been instructed to restrict fluid intake for a medical reason.

Long-Term Use of Ponstan

Mefenamic acid is generally more suitable for short-term treatment.

Long-term NSAID use can increase the risk of stomach ulcers, gastrointestinal bleeding, kidney problems, fluid retention and cardiovascular complications.

If chronic pain requires regular medication, your doctor may consider a safer long-term treatment strategy.

Who Should Be Careful With Ponstan?

Extra caution may be necessary if you have:

Stomach ulcers or previous gastrointestinal bleeding
Kidney disease
Liver disease
Heart failure
High blood pressure
Asthma triggered by aspirin or NSAIDs
Bleeding disorders
A history of cardiovascular disease

Always provide your complete medical history before starting treatment.

When to Seek Medical Help

Stop taking the medicine and seek urgent medical attention if you experience vomiting blood, black stools, severe abdominal pain, difficulty breathing, facial swelling or a severe allergic reaction.

Contact your doctor if swelling, unusual weakness, reduced urine output or persistent stomach symptoms develop.

Important Dosage Advice

Take Ponstan exactly as directed and use the lowest effective dose for the shortest appropriate duration. Do not combine it with other NSAIDs such as ibuprofen, naproxen or diclofenac unless your doctor specifically recommends the combination. Tell your healthcare professional if you have kidney disease, stomach ulcers, heart disease, high blood pressure, asthma or are taking blood-thinning medicines.

Note: This information is for general educational and SEO purposes and does not replace advice from a qualified doctor or pharmacist. Ponstan (mefenamic acid) is an NSAID, and the appropriate dose depends on the patient's age, medical condition, formulation, other medicines and individual health risks.

Medical Information Trust
Evidence-Based Information
Last Updated: October 28, 2026
YMYL Compliant

Medical Disclaimer: This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider. In an emergency, call emergency services immediately.