Mefenamic Acid

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What are you taking Mefenamic Acid for?

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  • Other
  • Dysmenorrhea
  • Fever
  • Menorrhagia
  • Pain
  • Premenstrual Syndrome

How long have you been taking it?

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  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Mefenamic Acid work for you?

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Uses of Mefenamic Acid

Updated: 

Mefenamic Acid is used in the treatment of:

  • Dysmenorrhea
  • Fever
  • Menorrhagia
  • Premenstrual Syndrome

Mefenamic Acid is used in the prevention of:

  • Pain

This medication may be prescribed for other uses. Ask your doctor or pharmacist for more information.

Mefenamic Acid Drug Class

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Mefenamic Acid is part of the drug class:

Mefenamic Acid Interactions

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Tell your doctor about all the medicines you take including prescription and non-prescription medicines, vitamins, and herbal supplements. Especially tell your doctor if you take:

  • ANISINDIONE/MEFENAMIC ACID
  • DABIGATRAN/MEFENAMIC ACID
  • DICUMAROL/MEFENAMIC ACID
  • KETOROLAC/MEFENAMIC ACID
  • LITHIUM/MEFENAMIC ACID
  • MEFENAMIC ACID/METHOTREXATE
  • MEFENAMIC ACID/PHENPROCOUMON
  • MEFENAMIC ACID/PRALATREXATE
  • MEFENAMIC ACID/RIVAROXABAN
  • MEFENAMIC ACID/WARFARIN

This is not a complete list of Mefenamic Aciddrug interactions. Ask your doctor or pharmacist for more information.

Mefenamic Acid and Pregnancy

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Tell your doctor if you are pregnant or plan to become pregnant.

The FDA categorizes medications based on safety for use during pregnancy. Five categories - A, B, C, D, and X, are used to classify the possible risks to an unborn baby when a medication is taken during pregnancy.

Mefenamic Acid falls into category C:

In animal studies, pregnant animals were given this medication and had some babies born with problems. No well-controlled studies have been done in humans, though. Therefore, this medication may be used if the potential benefits to the mother outweigh the potential risks to the unborn child.

OR

There are no well-controlled studies that have been done in pregnant women. Mefenamic Acid should be used during pregnancy only if the possible benefit outweighs the possible risk to the unborn baby.

OR

No studies have been done in animals, and no well-controlled studies have been done in pregnant women. Mefenamic Acid should be given to a pregnant woman only if clearly needed.

Mefenamic Acid Dosage

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Take mefenamic acid exactly as prescribed by your doctor. Follow the directions on your prescription label carefully.

The Mefenamic Acid dose your doctor recommends will be based on the following (use any or all that apply):

  • the condition being treated
  • other medical conditions you have
  • other medications you are taking
  • how you respond to this medication
  • your weight
  • your height
  • your age
  • your gender

Mefenamic Acid is available in the following doses:

  • Mefenamic Acid 250 Mg Oral Capsule
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