Can mucinex singulair or benadryl cause a false positive for amphetamine?

Answers (1)

Anonymous

24 Jun 2011

Hello,

1.-Mucinex (children´s cough) contains dextromethorphan and Can Cause False Positive For Heroin, Opiates, Morphine.-

2.-Mucinex D contains guaifenesin and pseudoephedrine, this last one ( pseudoephedrine ) Can Cause False Positive For Amphetamines (speed).-

3.-Benadryl contains diphenhydramine - Can Cause False Positive PCP results.-

http://www.alwaystestclean.com/false_positive_drug_list.htm#A

Take care,

Votes: +0

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