News — tramadol false positive

Fexofenadine cross reactivity with Tramadol drug tests

Posted by UK Drug Testing on

Tramadol is one of the newer developed drug testing membranes on the market.  Fexofenadine is a modern, non-sedative and very effective anti-histamine which is being increasingly being prescribed as a second or third line anti-histamine in the UK. Last week a cross-reactivity between the two was confirmed.

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