4ff962aa_The_North_Texas_Skeptic__Use_of_the_synthetic_drug
[Adulterant (Synthetic Drug)] Dextromethorphan [Number of samples examined] 22 [Number of positive results] 4 [Product claims] Products declared being effective for relieving cough and resolving phlegm [Use of the synthetic drug] 
It is an antitussive or cough suppressant drug
The North Texas Skeptic
Use of the synthetic drug