Prime Mefetab 500mg Tablet

Brand Prime
  • Fast Delivery
  • Muslim-Friendly
  • FDA Approved
  • Secure Payment
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Dr. Mohd Izzat Amir Bin Awang
Reviewed byDr. Mohd Izzat Amir Bin AwangDoctor of Medicine (MD), University of Mansoura - Manchester
Dr. Adeline Carol Peters
Written byDr. Adeline Carol PetersBachelor of Medicine and Bachelor of Surgery (MBBS) — Manipal Academy of Higher Education (MAHE)

Last updated:

Overview

Prime Mefetab 500mg Tablet contains Mefenamic acid 500mg and is presented as a tablet. It is supplied in a pack size of 10s.

It is classified as a non-prescription medicine, so no prescription is needed to order it. Under Malaysian rules for medicine information, this page carries product, safety and handling information only.

You can consult a doctor or pharmacist online on DoctorOnCall about this product before or after you order. Every order is checked by a registered pharmacist before it is delivered. Always read the label and the leaflet supplied with the pack.

Directions for Use

Take Prime Mefetab 500mg Tablet exactly as prescribed by your doctor, generally with or after food to reduce the risk of stomach upset, and swallow the tablet whole with a glass of water. Use the lowest effective dose for the shortest duration needed to control your pain, and do not exceed the prescribed frequency.

Dosage

The dose and duration of Prime Mefetab 500mg Tablet are determined by your doctor based on the type and severity of pain being treated, and treatment for period pain is often limited to the days when pain is present. Do not take this medicine for longer than 7 consecutive days without consulting your doctor.

Storage Instructions

Store Prime Mefetab 500mg Tablet below 30°C in a dry place, away from direct sunlight and moisture, and keep it out of the reach of children.

Side Effects

  • Stomach pain or discomfort
  • Nausea or vomiting
  • Diarrhea or constipation
  • Headache
  • Dizziness
  • Skin rash
  • Heartburn or indigestion

Contraindications

  • Active or history of peptic ulcer or inflammatory bowel disease
  • Severe kidney or liver impairment
  • Known hypersensitivity to mefenamic acid, aspirin, or other NSAIDs, including a history of asthma or allergic reaction triggered by these medicines
  • Late pregnancy (third trimester)
  • Severe heart failure

Drug / Food Interactions

  • Increased bleeding risk when combined with anticoagulants such as warfarin, or antiplatelet agents like aspirin
  • May reduce the effectiveness of certain blood pressure medicines, including ACE inhibitors and diuretics
  • Increased risk of kidney impairment when combined with ACE inhibitors and diuretics together
  • Should not be combined with other NSAIDs or corticosteroids due to increased gastrointestinal risk
  • Lithium and methotrexate blood levels may increase when taken with mefenamic acid

Quick Tips

  • Take Prime Mefetab 500mg Tablet with food to reduce the chance of stomach upset
  • Do not use for longer than 7 consecutive days without consulting your doctor
  • Avoid alcohol, which can increase the risk of stomach irritation
  • Report black or tarry stools, severe stomach pain, or unusual bruising to your doctor immediately
  • Do not combine with other pain relievers containing NSAIDs unless advised by your doctor

Ingredients / Active Ingredients

  • Mefenamic acid 500mg
  • Maize starch
  • Lactose monohydrate
  • Magnesium stearate
  • Talc

Safety Advice

Pregnancy

Safe If Prescribed

This medicine should only be used during pregnancy if prescribed by a doctor after careful evaluation.

Breastfeeding

Use With Care

Use with caution. Monitor infant for potential adverse reactions.

Kidney

Safe If Prescribed

Use only if prescribed, with possible monitoring of kidney function.

Liver

Use With Care

Use cautiously. Liver function monitoring may be required.

Alcohol

Use With Care

Caution is advised when consuming alcohol with this medicine.

Driving

Use With Care

Use caution while driving until you know how this medicine affects you.

Relevant Information

Prime Mefetab 500mg Tablet is commonly used for short courses of pain relief rather than continuous long-term use, and DoctorOnCall’s doctors will consider your gastrointestinal and kidney risk factors, along with any other medicines you take, before prescribing this tablet.

Frequently Asked Questions

Product Specifications

BrandPrime
ClassificationNon-prescription
Ingredients / Active IngredientsMefenamic Acid
Pack Size10s
Shelf LifePrime Mefetab 500mg Tablet remains stable until the expiry date printed on the packaging when stored correctly and left unopened. Do not use the tablets after this date has passed.

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Important Medical Information

💊 Recommended Dosage:

The dose and duration of Prime Mefetab 500mg Tablet are determined by your doctor based on the type and severity of pain being treated, and treatment for period pain is often limited to the days when pain is present. Do not take this medicine for longer than 7 consecutive days without consulting your doctor.

🛑 Contraindications (Do not use if):
  • Active or history of peptic ulcer or inflammatory bowel disease
  • Severe kidney or liver impairment
  • Known hypersensitivity to mefenamic acid, aspirin, or other NSAIDs, including a history of asthma or allergic reaction triggered by these medicines
  • Late pregnancy (third trimester)
  • Severe heart failure
If you are unsure, please chat with us or consult your doctor.
⚠️ Common Side Effects:
  • Stomach pain or discomfort
  • Nausea or vomiting
  • Diarrhea or constipation
  • Headache
  • Dizziness
  • Skin rash
  • Heartburn or indigestion
Stop taking this medication immediately and consult your doctor if you experience severe allergic reactions or side effects.
IMPORTANT: Unsure? Chat with our pharmacists (Mon - Sat, 9:00am - 6:00pm) before buying.