If they are barbiturate based then they will.
yes
Neurontin is not a barbiturate, so therefore it will not test positive as a barbiturate. Neurontin will not show up at all unless specifically tested for.
No
No oxycontin is an opiate an will show up as such.
no
yes - it shows up as a barbiturate
yes it does. it shows up as a barbiturate.
No. Only a barbiturate will yield a positive barbiturate test, barring false-positives
Trazodone is not a barbiturate, it is a serotonin antagonist and reuptake inhibitor (SARI) used to treat depression and anxiety. It should not typically show up as a barbiturate in a urine test, as barbiturates are a separate class of drugs that act on the central nervous system in a different way.
Nothing,this is strictly regulated.
i doubt it. An antihistamine vs sedative