My client tested positive on one of our UA testing cups and it was for Phencyclidine and he swears up and down he did not take any drug of any kind for approximately one month ago and that was Hydrocodone he says for low back problems...
1.-Doxylamine - Can Cause False Positive For Phencyclidine
"Doxylamine is an antihistamine"
2.-Effexor Tablets (venlafaxine hydrochloride) - Can Cause False Positive For PCP
"Effexor (venlafaxine) is an antidepressant in a group of drugs called selective serotonin and norepinephrine reuptake inhibitors (SSNRIs)."
3.-Ketamine - Can Cause False Positive For PCP
"Ketamine is an anesthetic medication."
4.-Meperidine - Can Cause False Positive For Phencyclidine
"Meperidine is a narcotic pain reliever. It is similar to morphine."
5.-Thioridazine - Can Cause False Positive For Phencyclidine
"Thioridazine is an anti-psychotic medication in a group of drugs called phenothiazines."
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