it could be from something you ate; particularly poppy seeds
no
She would most likely test positive for methamphetamine and amphetamine. One of the breakdown products of methamphetamine is regular amphetamine, so a positive result for methamphetamine is basically needed to discriminate a positive amphetamine as due to ingestion of meth vs ingestion of amphetamine. So basically, your sister's test should be positive for methamphetamine also if she did crystal meth.
I'm guessing no
No, Allegra allergy medication should not cause a positive result for methamphetamine in a drug test. Allegra contains fexofenadine, which is an antihistamine and does not typically cross-react with drug tests for methamphetamine.
dosoxyn and yvanse will both show positive in the drug test for methamphetamine
No, it is a glucocorticoid steroidal antiinflammatory medication that should not test positive for methamphetamine, nor should it metabolize to any substances that yield a false positive for methamphetamine.
Uh, having methamphetamine in your system! But other sources say the following can also cause false positive results: Desoxyephedrine, Desoxyn, Methedrine, Vicks Inhaler (non-prescription drug), Selegiline, Benzphetamine and Famprofazon, Dexedrine, Benzedrine, Adderal.
sudafed can give u a false positive for meth be careful
You sure will. Make sure you bring your prescription to the test to prove to them that it is legit.
A blood panel is used. If a newborn baby tested positive for methamphetamine, there was exposure to meth in utero.
There are no asthma medications that could make a person test positive for any illegal drugs.