Adderall, concerta, and many ADHD medications that contain emphetamines. however your body will not test positive after a day or 2. it has a very short half life
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.
Can trazadone give a false positive urine drug screen for methamphetamine
No, drug tests are designed with things such as bacterial growth in mind.
I got a positive urine test for cocaine after taking U-Amox 500
yes
There are no asthma medications that could make a person test positive for any illegal drugs.
No
No. Their metabolites look nothing like methamphetamine.
Anything that has ephedrine or psuedoephedrine will cause a false screening positive, but there are no cold medications that will confirm positive for methamphetamine.
They Could Tell Its Not Real Urine And You Could Get In Trouble
Yes
No.