A Japanese researcher had first altered the ephedrine molecule to synthesize crystal methamphetamine in 1919. During World War II, it was marketed in Japan as hiropon, a word that combines the ...

Ephedrine is also used in the manufacture of methamphetamine, the highly addictive drug long a scourge in the United States. Officials suspect that the three men were involved with a relatively ...

Methamphetamine, a central nervous system stimulant, was first synthesized in 1919 as a synthetic substitute for ephedrine. Occult methamphetamine laboratories emerged in California in the 1960s, and ...

According to a report last year in the Atlantic, meth that found its way into America's streets was for decades primarily made using the "ephedrine method." Ephedrine, a drug commonly found in ...

That P2P method would fade as ephedrine, a component in over-the-counter sinus medicine, became the key ingredient for making meth. “We’d hit these labs and we’d see nothing but blister p ...

used in meth manufacture. In the mid-1980s, the DEA's Gene Haislip had succeeded in nearly eliminating Quaaludes from America's recreational drug cabinet. Haislip's attempt to make ephedrine and ...

crystal meth can be made from household products. The only essential ingredient is ephedrine, or its cousin, pseudoephedrine, found in many cold medicines. MARC RIEDL, M.D., Asst. Prof.

The latest turn in the meth fight began in 2005, when Mexican officials started imposing progressively tighter restrictions on imports of the ephedrine and pseudoephedrine used in cartels' meth labs.

Cold Medicines Targeted in Meth Crackdown New restrictions on medicines containing pseudoephedrine or ephedrine go into effect this week, part of a federal crackdown on those who use these ...

Unlike the earlier “party drug” meth made with ephedrine, the ingredient in cold medicine, this more toxic version, made with widely available industrial chemicals, rapidly causes psychosis ...

The bipartisan anti-meth bill, also promoted by Dianne Feinstein, D-Calif., will restrict the sale of and put all pseudo-ephedrine, ephedrine and phenylpropanolamine behind pharmacy counters.

That P2P method would fade as ephedrine, a component in over-the-counter sinus medicine, became the key ingredient for making meth. “We’d hit these labs and we’d see nothing but blister p ...