The Department of Health has ordered licensed drug manufacturer Quality Pharmaceutical Laboratory to recall all batches of Mefenamic Acid 500mg and 250mg tablets from the retail level as both drugs failed the disintegration time test.

They are registered for sale in Hong Kong with registration numbers HK-35728 and HK-45417.

The products have been sold to private doctors and pharmacies.

Drug alert: The Department of Health has ordered the recall of all batches of Mefenamic Acid 250mg and 500mg tablets.

Mefenamic Acid is a prescription pain reliever. It can only be sold in dispensaries on a doctor's prescription and under a pharmacist's supervision.

The manufacturer has voluntarily suspended all drug distribution to facilitate the department's investigation. A hotline (2429 8412) has been set up to handle public enquiries.

Healthcare professionals and retailers should stop supplying the products to their clients.