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Mefenamic Acid 500mg Tablets


The mefenamic acid tablets can be used to treat period pain by reducing inflammation and provide effective pain relief.

This is a generic product so the brand you receive may be different from the one pictured, but please note it will be as effective.

Information Leaflet
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Mefenamic Acid (brand name Ponstan) is a prescription only medication available in the UK. Mefenamic Acid can be used to treat period pain by reducing inflammation and provides an effective pain relief. It belongs to a group of medicines called non-steroid anti-inflammatory drugs (NSAIDs). These medicines reduce pain and inflammation, and bring down a high temperature.

Uses / Instructions

One tablet is to be taken three times a day, for a maximum of three days, during one menstrual cycle.

Smoking and the consumption of alcohol is not advised as this may increase the side effects of the medication.


People with problems in the following organs: Lung, Heart, kidney, liver, stomach, skin.

Female fertility: The use of mefenamic acid may impair female fertility and is not recommended in women attempting to conceive. In women who have difficulties conceiving or who are undergoing investigation of infertility, withdrawal of mefenamic acid should be considered.

People with Epilepsy should also avoid this.

Side Effects

Stomach pain, nausea, vomiting, heartburn, constipation, diarrhoea, rash and dizziness. If you feel you are suffering from any uncommon side effects, contact your doctor or pharmacist for advice straight away.

Read the patient information leaflet for a full list of side effects.


Mefenamic Acid 500mg


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