Marijuana is a preparation of the cannabis plant for use as a psychoactive drug and as medicine. The principal psychoactive constituent of marijuana is tetrahydrocannabinol (THC), one of hundreds of...
Methadone is a synthetic opioid used for pain and to treat addiction in patients with opioid dependence. It is chemically closely related to heroin and morphine and has many of...
Methamphetamine is psychostimulant in the amphetamine class. It has medical uses in the treatment of attention deficit hyperactivity disorder (ADHD) and obesity. It has a high potential for abuse and...
MDMA is synthesized drug in the amphetamine class. It is classed as an empathogenic drug, meaning it produces emotional and social effects that tend to increase a sense of intimacy...
While opiate and opioid are often used interchangeably, true opiates are a group of opioid drugs found only in the poppy plant: morphine (and its derivative, heroin), codeine and thebaine.
Phencyclidine is a recreational drug that was marketed in the 1950s as an anesthetic pharmaceutical drug. It was taken off the market due to its dissociative hallucinogenic side effects.
Tramadol is an synthetic opioid analgesic with some antidepressant effects. It is used to treat moderate to moderate-severe pain. It is used and metabolized in the body similarly to codeine.
Tricyclic antidepressants (TCAs) are a very large class of antidepressant drugs. A small sampling includes: amitriptyline (Elavil) amitriptylinoxide (Ambivalon) amoxapine (Asendin)