Ponstel Oral

In Depth

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
extreme/unusual tiredness
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.

Ponstel Oral Precautions

Before taking mefenamic acid, tell your doctor or pharmacist if you are allergic to it; or to aspirin or other NSAIDs (e.g., ibuprofen, naproxen, celecoxib); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have:

aspirin-sensitive asthma (a history of worsening breathing with runny/stuffy nose after taking aspirin or other NSAIDs
severe kidney disease
recent heart bypass surgery (CABG)
active bleeding/sores in stomach/intestines (ulcer, gastrointestinal bleeding)

Before using this medication, tell your doctor or pharmacist your medical history, especially of:

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