Pseudoephedrine

According to the DEA, ephedrine and pseudoephedrine "are highly coveted by drug traffickers who use them to manufacture methamphetamine, a Schedule II controlled substance". Shop owners can be found criminally negligent, it seems, if they do not take measures to prevent shelf-clearing, shoplifting, and "smurfing". The meth empidemic has brought dentists untold cases of "meth mouth", where teeth assume the "consistency of ripe fruit" In the mean time, Pfizer and its Sudafed clones are using phenylephrine as alternative decongestant.