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PharmChem together with its Distributors are the sole source providers of the PharmChek® Sweat Patch used to detect drugs of abuse.

For over 15 years, this device has been a successful and economical alternative to urine to test for cocaine, opiates, amphetamines, PCP and marijuana.


The PharmChek® Drugs of Abuse Detection Patch is an economical alternative and provides distinct advantages over urine testing.

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