Antitussive preparation

A - Human Necessities – 61 – K

Patent

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Details

A61K 31/405 (2006.01) A61K 31/485 (2006.01)

Patent

CA 2060312

2060312 9015605 PCTABS00002 Commercially available antitussives which are widely used at present are problematic in that they contain dihydrocodeine which is officially designated as a narcotic or methylephedrine which is used as a starting material for a stimulant. An antitussive composition of the invention comprises a combination of an antitussive and L-tryptophan to enhance the antitussive effect. It has a similar antitussive effect even though the content of the antitussive is reduced, and is free from the side effect of aggravating the physical dependence of an antitussive.

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