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Pharmaceutical mixtures are liquid oral preparation consisting of one or more medicaments dissolved, suspended or diffused in an aqueous vehicle. Suspension is achieved with the aid of a suspending agent. Pharmaceutical mixtures Pharmaceutical mixtures are usually freshly or recently prepared. They are used fairly quickly, usually within a month for short term therapy like cough, diarrhoea, constipation etc. Read Also:   Advantage And Disadvantage Of Pharmaceutical Liquid Dosage Form Advantage Of Mixture 1. Easy to administer 2. Suitable for the insoluble drug 3. Suitable for the immiscible drug 4. The bioavailability is more compared to solid dosage form 5. Young children and some adults have difficulty in swallowing tablets can prefer oral mixture 6. Some drugs are inconvenient to administer in any other form 7. Some medications may cause irritation in the stomach in the powder or tablet form Read Also :  Overview Of Pharmaceutical Mixture Disadvantage Of Mixture 1. Less sol...

Pharmaceutical mixtures are aqueous liquid preparations which contain suspended, insoluble, solid substances for oral use. The insoluble particles may be held in suspension by the use of suitable suspending or thickening agents since the insoluble substance does not make mixture very viscous. Pharmaceutical mixtures The insoluble substance in mixtures must be in a very finely divided state and it must be uniformly distributed throughout the preparation. This is accomplished by the use of colloid mills, special methods of precipitation and suspending agents. Read Also:   All about pharmaceutical liquid dosage form Reason For Insoluble Finely Divided Substance In Mixture There are three main reasons for having the insoluble substance in as fine a state of subdivision as possible: (1) The closer the colloidal state is approached by protective materials such as kaolin, magnesium trisilicate, and magnesium phosphate, the more active they become as adsorbents and protective when in conta...