Marijuana is an example of an illicit drug. Just look in the dictionary and find the definition for illicit. An illicit drug is an illegal drug.
The chief methylxanthine drug is theophylline
antiviral drug
I am a drug addict
drug abuse
marijuana
alcohol heroin
If you meant "What is a drug name used by several companies?" then the answer would be a generic drug. An example of a generic drug would be aspirin.
am asking you please
Alcohol is a depressant.
Alcohol is a depressant.
The drug, the neurotoxin, the bad idea.