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Levmetamfetamine, also known as l-desoxyephedrine or levomethamphetamine, and commonly sold under the brand name Vicks VapoInhaler among others, is an optical isomer of methamphetamine primarily used as a topical nasal decongestant. [2] It is used to treat nasal congestion from allergies and the common cold. [7]
Vicks is an American brand of over-the-counter medications owned by the American companies Procter & Gamble and Kaz Incorporated. Vicks manufactures NyQuil and its sister medication, DayQuil as well as other medications in the "Quil" line.
Dristan-brand inhaler, c. 1966 manufactured by Whitehall Laboratories. Propylhexedrine was also sold in inhaler form by Whitehall Laboratories (Wyeth) under the Dristan brand name as an inhaler. [73] In January 1966, propylhexedrine replaced mephentermine as the active ingredient in the product. [74] The Dristan inhaler has since been discontinued.
These Vicks VapoInhalers are designed to unblock stuffed noses without the use of medications. They're made with menthol, camphor and Siberian pine needle oil that powers through blocked sinuses ...
In 1934, Smith, Kline & French made the first amphetamine pharmaceutical when they began selling a decongestant inhaler containing the volatile amphetamine free base under the trade name Benzedrine. [8] [20] One of the first attempts at using amphetamine in a scientific study was done by M. Nathanson, a Los Angeles physician, in 1935. [22]
Cold water extraction (also called CWE) is the process whereby a substance is extracted from a mixture via cold water. It is a type of fractional crystallization . The process generally involves taking a mixture of substances, dissolving them in warm water, and then rapidly cooling the mixture.