No, Zyrtec does not contain any ephedrine/psyeudoephedrine ingredients.
No, meth will make you test positive for meth.
Meth and marijuana
Assuming you mean Xanex, you will not test positive for meth. Xanex is a benodiazapine so you will test positive for those.
No
No.
yes
No
meth
Yes you can absolutely test positive for meth using Lipozene
Yes
I just failed one. The test showed positive for methanphetimine! But when sent to a lab it can be determined that it is not meth.
I'm not sure about phenylephrine, but if it does, their tests are poor. However, desoxyephedrine is methamphetamine, so of course it would make you test positive.