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Quinine is an alkaloid, a naturally occurring chemical compound. [5] How it works as a medicine is not entirely clear. [5] Quinine was first isolated in 1820 from the bark of a cinchona tree, which is native to Peru, [5] [9] [10] and its molecular formula was determined by Adolph Strecker in 1854. [11]
One of these, 4-butylresorcinol, has been proved to be more effective at treating melanin-related skin disorders by a wide margin, as well as safe enough to be made available over the counter. [ 35 ] In the anthraquinone process substituted hydroquinones, typically anthrahydroquinone are used to produce hydrogen peroxide which forms ...
Warburg's Tincture was vaunted as being superior to quinine in the treatment of malaria by many in the Victorian era. Quinine remained the first-line antimalarial drug of choice until the 1940s, when other drugs replaced it. Until recently Chloroquine was the most widely used antimalarial drug.
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
Over-the-counter (OTC) drugs are medicines sold directly to a consumer without a requirement for a prescription from a healthcare professional, [1] as opposed to prescription drugs, which may be supplied only to consumers possessing a valid prescription.
Quinoline is a heterocyclic aromatic organic compound with the chemical formula C 9 H 7 N. It is a colorless hygroscopic liquid with a strong odor. Aged samples, especially if exposed to light, become yellow and later brown.