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Methamphetamine or Meth or Crank is a chemical popularly known for its stimulating properties in the human body. It is frequently confused with other drugs that share similar effects, including amphetamines, ephedrine, caffeine, and other chemicals, both legal and illegal. Crystal meth refers to the smokable, crystal-like form of the drug.

Chemical Name

The chemical name of methamphetamine is N-methyl-1-phenyl-propan-2-amine or d-N,alpha-dimethylphenethylamine .


Methamphetamine is illegal in most countries. In the United States, methamphetamine is a Schedule II drug, according to the Drug Enforcement Administration (DEA).[1] Meth is still, however, sold with a prescription under the name Desoxyn. In 2005, Congress passed laws restricting the sale of methamphetamine ingredients, such as ephedrine, which is used in cold remedies, and has led to people being arrested for purchasing allergy remedies[2].


Chemically, Methamphetamine is very similar to adrenaline. It may be taken orally, snorted, smoked or injected. Onset occurs immediately, and the effects generally last 4-8 hours. Users of this drug usually feel euphoric, excitable, and extremely nervous. Sweating, dizziness, insomnia, and restlessness may also occur. Due to increases in mental clarity sometimes associated with Meth, it has been prescribed for Attention Deficit Hyperactivity Disorder (ADHD) and other disorders.


Methamphetamine is highly addictive, and particularly when it is injected or smoked. Withdrawal is usually intense and relapse is common. Doctors sometimes prescribe less volatile forms of amphetamine to break the addiction cycle.


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  2. New law could mean bad news for allergy sufferers