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Ponstel

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Ponstel

Ponstel Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Ponstel (mefenamic acid) is used to treat pain or inflammation caused by arthritis. It is also used to treat menstrual pain. It is in a group of drugs called non-steroidal anti-inflammatory drugs (NSAIDs). This medication is available in generic form. Common side effects include upset stomach, nausea, heartburn, dizziness, drowsiness, diarrhea, and headache.

The dose and frequency of Ponstel is adjusted to an individual patient's needs. For the relief of acute pain in adults and adolescents 14 years of age or older, the recommended dose is 500 mg as an initial dose followed by 250 mg every 6 hours as needed, usually not to exceed one week. For the treatment of primary dysmenorrhea, the recommended dose is 500 mg as an initial dose followed by 250 mg every 6 hours, given orally, starting with the onset of bleeding and associated symptoms. Ponstel may interact with antidepressants, blood thinners, diuretics (water pills), cyclosporine, lithium, methotrexate, steroids, or aspirin or NSAIDs (non-steroidal anti-inflammatory drugs). Tell your doctor all medications you are taking. During the first 6 months of pregnancy, Ponstel should be used only when prescribed. It is not recommended for use during the last 3 months of pregnancy due to possible harm to the fetus and interference with normal labor/delivery. This drug passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding.

Our Ponstel (mefenamic acid) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is Patient Information in Detail?

Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.

Ponstel in Detail - Patient Information: Side Effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking mefenamic acid and seek medical attention or call your doctor at once if you have any of these serious side effects:

  • chest pain, weakness, shortness of breath, slurred speech, problems with vision or balance;
  • black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • urinating less than usual or not at all;
  • pain, burning, or bleeding when you urinate;
  • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes);
  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash; or
  • bruising, severe tingling, numbness, pain, muscle weakness.

Less serious side effects may include:

  • upset stomach, mild heartburn or stomach pain, diarrhea, constipation; bloating, gas;
  • dizziness, headache, nervousness;
  • skin itching or rash;
  • dry mouth;
  • increased sweating, runny nose;
  • blurred vision; or
  • ringing in your ears.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Read the entire detailed patient monograph for Ponstel (Mefenamic Acid) »

What is Patient Information Overview?

A concise overview of the drug for the patient or caregiver from First DataBank.

Ponstel Overview - Patient Information: Side Effects

SIDE EFFECTS: See also Warning section.

Upset stomach, nausea, heartburn, dizziness, drowsiness, diarrhea, and headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: fainting, persistent/severe headache, hearing changes (e.g., ringing in the ears), fast/pounding heartbeat, mental/mood changes, stomach pain, difficult/painful swallowing, swelling of the ankles/feet/hands, sudden/unexplained weight gain, vision changes, unusual tiredness.

Stop taking mefenamic acid and tell your doctor immediately if any of these rare but very serious side effects occur: easy bruising/bleeding, signs of infection (e.g., fever, persistent sore throat), unexplained stiff neck, change in the amount/color of urine.

This drug may rarely cause serious, possibly fatal liver disease. If you notice any of the following rare but very serious side effects, stop taking mefenamic acid and consult your doctor or pharmacist immediately: persistent nausea/vomiting, severe stomach/abdominal pain, weakness, dark urine, yellowing eyes/skin.

A very serious allergic reaction to this drug is rare. However, stop taking mefenamic acid and immediately seek medical attention if you notice any of the following symptoms of a serious allergic reaction: rash/blisters, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

Read the entire patient information overview for Ponstel (Mefenamic Acid)»

What is Prescribing information?

The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.

Ponstel FDA Prescribing Information: Side Effects
(Adverse Reactions)

SIDE EFFECTS

In patients taking Ponstel (mefenamic acid) or other NSAIDs, the most frequently reported adverse experiences occurring in approximately 1-10% of patients are:

Gastrointestinal experiences including - abdominal pain, constipation, diarrhea, dyspepsia, flatulence, gross bleeding/perforation, heartburn, nausea, GI ulcers (gastric/duodenal), vomiting, abnormal renal function, anemia, dizziness, edema, elevated liver enzymes, headaches, increased bleeding time, pruritus, rashes, tinnitus

Additional adverse experiences reported occasionally and listed here by body system include:

Body as a whole - fever, infection, sepsis

Cardiovascular system- congestive heart failure, hypertension, tachycardia, syncope

Digestive system - dry mouth, esophagitis, gastric/peptic ulcers, gastritis, gastrointestinal bleeding, glossitis, hematemesis, hepatitis, jaundice

Hemic and lymphatic system - ecchymosis, eosinophilia, leukopenia, melena, purpura, rectal bleeding, stomatitis, thrombocytopenia

Metabolic and nutritional - weight changes

Nervous system - anxiety, asthenia, confusion, depression, dream abnormalities, drowsiness; insomnia, malaise, nervousness, paresthesia, somnolence, tremors, vertigo

Respiratory system- asthma, dyspnea

Skin and appendages - alopecia, photosensitivity, pruritus, sweat

Special senses - blurred vision

Urogenital system - cystitis, dysuria, hematuria, interstitial nephritis, oliguria/polyuria, proteinuria, renal failure

Other adverse reactions, which occur rarely are:

Body as a whole - anaphylactoid reactions, appetite changes, death

Cardiovascular system - arrhythmia, hypotension, myocardial infarction, palpitations, vasculitis

Digestive system - eructation, liver failure, pancreatitis

Hemic and lymphatic system - agranulocytosis, hemolytic anemia, aplastic anemia, lymph- adenopathy, pancytopenia

Metabolic and nutritional - hyperglycemia

Nervous system - convulsions, coma, hallucinations, meningitis.

Respiratory- respiratory depression, pneumonia

Skin and appendages - angioedema, toxic epidermal necrosis, erythema multiforme, exfoliative dermatitis, Stevens-Johnson syndrome, urticaria

Special senses - conjunctivitis, hearing impairment

Read the entire FDA prescribing information for Ponstel (Mefenamic Acid) »

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Ponstel - User Reviews

Ponstel User Reviews

Now you can gain knowledge and insight about a drug treatment with Patient Discussions.

Here is a collection of user reviews for the medication Ponstel sorted by most helpful. Patient Discussions FAQs

Report Problems to the Food and Drug Administration

 

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.


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