The imitation tubes of Sensodyne have both Arabic and English writing on them.
The manufacturer of the legitimate product, GlaxoSmithKline, has said the fake toothpaste has high levels of the chemical Diethylene Glycol.
The chemical could be toxic to young children and anyone with impaired liver or kidney function.
In a statement the company said the fakes were illegal copies and had no connection with GlaxoSmithKline.
It said legitimate Sensodyne, labelled only in English and sourced from authorised suppliers is not defective and the public can continue to purchase and use these products with confidence.
Anyone with one of the fake packs is advised to dispose of it immediately.
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