What Causes A False Positive For Methamphetamine

In recent times I have taken Oxycontin, Oxycodone, Valium, Soma, Testosterone, Nexium, Amlodipine, Fenofibrate, Chantix, Aspirin, Sudafed, Nasal Spray, Lidoderm Patches, Voltaren gel, NyQuil, milk of magnesia, metamucil, Whey Protein and Multi vitamins. Why is it coming up as a dirty urine?

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The nasal spray can make a false positive for meth. Not sure about " Crystal" meth. But just the basic methamphetamine yes it will.

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The sudofed will make it definatley make you have a positive for neth ie" crystal meth.on probation your not aloud to take anything with sudofed or ephedrine in it.so if your testing fir worj or have to take a drug test avoid taking these.u have severe allergies an have to take reg. Claritin 10 miligrans avoid the ones that have a D at the end of them like ue. Clariton-D or zertec-d or the one that starts with an A cant think of the nane of it but thinking its alegra dnt quote me on that one.just ask the pharmacist before taking any sinus or decongestive.

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I take trazadone every night been taking prometazine and bentyl buspar can these make a false postitive test for meth

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Sudafed is the main ingredient in meth

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