Drug preparations
A compound preparation and drug technology, which is applied in the direction of drug combination, pill delivery, medical formula, etc., can solve the problems of insufficient curative effect, limited content, unsatisfactory antitussive effect, etc.
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[0035] The preparation of the drug compound preparation of the present invention is by properly combining the above-mentioned ingredients and pharmaceutically acceptable additives, and making it into oral solid preparations, semi-solid preparations or liquid preparations such as tablets, granules, and microparticles according to conventional methods. formulations, powders, hard capsules, soft capsules, pills, lozenges, drops, suspensions, emulsions, liquid preparations for internal administration, syrups, dry syrups, inhalants or oral patch preparations, etc. Before preparing the above-mentioned preparations, the pharmaceutical ingredients can also be made into microparticles such as microcapsules, nanocapsules, microspheres or nanospheres.
[0036] There is no particular limitation on the method of preparing the drug composite preparation of the present invention. Various methods can be used. For example, when it is necessary to prepare a granular powder for the manufacture ...
Embodiment 1
[0072] tablet:
[0073] Fudosteine (1200 g), dextromethorphan hydrobromide (60 g), corn starch (38 g), talc (1 g) and magnesium stearate (1 g) were prepared into a powder for tableting by a conventional method. The resulting powder was tableted using a rotary tablet machine to prepare tablets each having a diameter of 8.5 mm and a weight of 250 mg.
Embodiment 2
[0075] Liquid formulations:
[0076] Fudosteine (8 g), dextromethorphan hydrobromide (400 mg), erythritol (20 g), caramel (100 mg), sodium benzoate (70 mg) and fragrance (100 mg) were dissolved in purified water. An appropriate amount of phosphoric acid was added to the resulting mixture to adjust its pH, and then pure water was added to the mixture so that the total amount became 100 ml, whereby a liquid preparation was prepared.
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