Paroxetine
Paroxetine is a SSRI antidepressant used to treat depression, OCD and anxiety disorders.
Tested in both urine and oral fluid.
Phencyclidine
Phencyclidine is an illicit drug that produces hallucinogenic and neurotoxic effects.
Tested in urine only.
Phenobarbital
Phenobarbital is the oldest and most common barbituate used to treat all types of seizures except absence seizures.
Tested in urine only.
Phentermine
Phentermine is stimulant that is most used as an appetite suppressant.
Tested in urine only.
Pregabalin
Pregabalin is a muscle relaxant drug used in the treatment of seizures, fibromyalgia, and anxiety disorders.
Tested in urine only.