Mefenamic acid: Difference between revisions

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{{drugbox
{{DrugProjectFormSinglePage
| IUPAC_name = 2-(2,3-dimethylphenyl)aminobenzoic acid
|authorTag=<!--Overview-->
| image = Mefenamic acid.png
|aOrAn=a
| CAS_number = 61-68-7
|hasBlackBoxWarning=Yes
| ATC_prefix = M01
|adverseReactions=<!--Black Box Warning-->
| ATC_suffix = AG01
|blackBoxWarningTitle=<span style="color:#FF0000;">ConditionName: </span>
| PubChem = 4044
|blackBoxWarningBody=<i><span style="color:#FF0000;">ConditionName: </span></i>
| DrugBank = APRD0073
| C = 15 |H = 15 |N = 1 |O = 2
| molecular_weight = 241.285 [[Gram|g]]/[[Mole (unit)|mol]]
| bioavailability = 90%
| protein_bound = 90%
| metabolism = [[Liver|Hepatic]] ([[CYP2C9]])
| elimination_half-life = 2 hours
| excretion = [[Kidney|Renal]] and fecal
| pregnancy_category = C <small>([[Australia|Au]], [[United States|U.S.]])</small>
| legal_status = ℞-only <small>(U.S.)</small>
| routes_of_administration = Oral
|}}
{{SI}}


* Content


==Overview==
<!--Adult Indications and Dosage-->
'''Mefenamic acid''' is a [[NSAID|non-steroidal anti-inflammatory drug]] used to treat pain, including [[menstruation|menstrual]] pain. It is commercially available in the US as '''Ponstel&reg;''' and internationally by [[Pfizer]] as '''Ponstan®'''. It is also prescribed as an [[antipyretic]] drug. It is typically prescribed for oral administration.


Mefenamic acid decreases [[inflammation]] (swelling) and [[uterus|uterine]] contractions by a still unknown mechanism. However it is thought to be related to the inhibition of [[prostaglandin]] synthesis.
<!--FDA-Labeled Indications and Dosage (Adult)-->
|fdaLIADAdult======Condition1=====


* Dosing Information


:* Dosage


Since hepatic metabolism plays a significant role in mefenamic acid elimination, patients with known [[liver]] deficiency may be prescribed lower doses. [[Kidney]] deficiency may also cause accumulation of the drug and its metabolites in the [[excretory system]]. Therefore patients suffering from renal conditions should not be prescribed mefenamic acid.
=====Condition2=====


==Side effects==
* Dosing Information
Mefenamic acid is known to cause an upset stomach, therefore it is recommended to take prescribed doses together with food or milk. Instances of drowsiness may also occur. As such, it is recommended to avoid driving or consuming [[alcoholic beverage|alcohol]] while taking this medication.


Other known mild [[Adverse drug reaction|side effects]] of mefenamic acid include [[headache]]s, nervousness and [[vomit]]ing. Serious side effects may include [[diarrhoea]], bloody vomit, blurred vision, skin rash, itching and swelling, sore throat and [[fever]]. It is advised to consult a doctor immediately if these [[symptom]]s appear while taking this medication.
:* Dosage


==Sources==
=====Condition3=====
* [http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a681028.html MedlinePlus Drug Information: Mefenamic Acid]. Last accessed September 28, 2005.
*[http://www.rxlist.com/cgi/generic3/mefenamic_cp.htm Ponstel Pharmacology, Pharmacokinetics, Studies, Metabolism - Mefenamic Acid - RxList Monographs]. Last accessed September 28, 2005.


{{NSAIDs}}
* Dosing Information
{{Anti-inflammatory and antirheumatic products}}


:* Dosage


[[de:Mefenaminsäure]]
=====Condition4=====
[[pt:Ácido mefenâmico]]


[[Category:Non-steroidal anti-inflammatory drugs]]
* Dosing Information
[[Category:Drugs]]


{{WH}}
:* Dosage
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[[Category:Drug]]

Revision as of 15:02, 7 January 2015

Mefenamic acid
Black Box Warning
Adult Indications & Dosage
Pediatric Indications & Dosage
Contraindications
Warnings & Precautions
Adverse Reactions
Drug Interactions
Use in Specific Populations
Administration & Monitoring
Overdosage
Pharmacology
Clinical Studies
How Supplied
Images
Patient Counseling Information
Precautions with Alcohol
Brand Names
Look-Alike Names

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];

Disclaimer

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Black Box Warning

ConditionName:
See full prescribing information for complete Boxed Warning.
ConditionName:
  • Content

Overview

Mefenamic acid is a {{{drugClass}}} that is FDA approved for the {{{indicationType}}} of {{{indication}}}. There is a Black Box Warning for this drug as shown here. Common adverse reactions include .

Adult Indications and Dosage

FDA-Labeled Indications and Dosage (Adult)

Condition1
  • Dosing Information
  • Dosage
Condition2
  • Dosing Information
  • Dosage
Condition3
  • Dosing Information
  • Dosage
Condition4
  • Dosing Information
  • Dosage

Off-Label Use and Dosage (Adult)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Mefenamic acid in adult patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Mefenamic acid in adult patients.

Pediatric Indications and Dosage

FDA-Labeled Indications and Dosage (Pediatric)

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding FDA-Labeled Use of Mefenamic acid in pediatric patients.

Off-Label Use and Dosage (Pediatric)

Guideline-Supported Use

Condition1
  • Developed by:
  • Class of Recommendation:
  • Strength of Evidence:
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Guideline-Supported Use of Mefenamic acid in pediatric patients.

Non–Guideline-Supported Use

Condition1
  • Dosing Information
  • Dosage
Condition2

There is limited information regarding Off-Label Non–Guideline-Supported Use of Mefenamic acid in pediatric patients.

Contraindications

  • Condition1

Warnings

ConditionName:
See full prescribing information for complete Boxed Warning.
ConditionName:
  • Content
  • Description

Precautions

  • Description

Adverse Reactions

Clinical Trials Experience

There is limited information regarding Clinical Trial Experience of Mefenamic acid in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Postmarketing Experience

There is limited information regarding Postmarketing Experience of Mefenamic acid in the drug label.

Body as a Whole
Cardiovascular
Digestive
Endocrine
Hematologic and Lymphatic
Metabolic and Nutritional
Musculoskeletal
Neurologic
Respiratory
Skin and Hypersensitivy Reactions
Special Senses
Urogenital
Miscellaneous

Drug Interactions

  • Drug
  • Description

Use in Specific Populations

Pregnancy

Pregnancy Category (FDA):

  • Pregnancy Category


Pregnancy Category (AUS):

  • Australian Drug Evaluation Committee (ADEC) Pregnancy Category

There is no Australian Drug Evaluation Committee (ADEC) guidance on usage of Mefenamic acid in women who are pregnant.

Labor and Delivery

There is no FDA guidance on use of Mefenamic acid during labor and delivery.

Nursing Mothers

There is no FDA guidance on the use of Mefenamic acid with respect to nursing mothers.

Pediatric Use

There is no FDA guidance on the use of Mefenamic acid with respect to pediatric patients.

Geriatic Use

There is no FDA guidance on the use of Mefenamic acid with respect to geriatric patients.

Gender

There is no FDA guidance on the use of Mefenamic acid with respect to specific gender populations.

Race

There is no FDA guidance on the use of Mefenamic acid with respect to specific racial populations.

Renal Impairment

There is no FDA guidance on the use of Mefenamic acid in patients with renal impairment.

Hepatic Impairment

There is no FDA guidance on the use of Mefenamic acid in patients with hepatic impairment.

Females of Reproductive Potential and Males

There is no FDA guidance on the use of Mefenamic acid in women of reproductive potentials and males.

Immunocompromised Patients

There is no FDA guidance one the use of Mefenamic acid in patients who are immunocompromised.

Administration and Monitoring

Administration

  • Oral
  • Intravenous

Monitoring

There is limited information regarding Monitoring of Mefenamic acid in the drug label.

  • Description

IV Compatibility

There is limited information regarding IV Compatibility of Mefenamic acid in the drug label.

Overdosage

Acute Overdose

Signs and Symptoms

  • Description

Management

  • Description

Chronic Overdose

There is limited information regarding Chronic Overdose of Mefenamic acid in the drug label.

Pharmacology

There is limited information regarding Mefenamic acid Pharmacology in the drug label.

Mechanism of Action

Structure

File:Mefenamic acid01.png
This image is provided by the National Library of Medicine.

Pharmacodynamics

There is limited information regarding Pharmacodynamics of Mefenamic acid in the drug label.

Pharmacokinetics

There is limited information regarding Pharmacokinetics of Mefenamic acid in the drug label.

Nonclinical Toxicology

There is limited information regarding Nonclinical Toxicology of Mefenamic acid in the drug label.

Clinical Studies

There is limited information regarding Clinical Studies of Mefenamic acid in the drug label.

How Supplied

Storage

There is limited information regarding Mefenamic acid Storage in the drug label.

Images

Drug Images

{{#ask: Page Name::Mefenamic acid |?Pill Name |?Drug Name |?Pill Ingred |?Pill Imprint |?Pill Dosage |?Pill Color |?Pill Shape |?Pill Size (mm) |?Pill Scoring |?NDC |?Drug Author |format=template |template=DrugPageImages |mainlabel=- |sort=Pill Name }}

Package and Label Display Panel

{{#ask: Label Page::Mefenamic acid |?Label Name |format=template |template=DrugLabelImages |mainlabel=- |sort=Label Page }}

Patient Counseling Information

There is limited information regarding Patient Counseling Information of Mefenamic acid in the drug label.

Precautions with Alcohol

  • Alcohol-Mefenamic acid interaction has not been established. Talk to your doctor about the effects of taking alcohol with this medication.

Brand Names

Look-Alike Drug Names

Drug Shortage Status

Price

References

The contents of this FDA label are provided by the National Library of Medicine.

  1. ↑ Empty citation (help)
  2. ↑ "http://www.ismp.org". External link in |title= (help)

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