Pharmaceutics-1, |easy notes|

  •Mixtures are liquid preparations intended for oral administration and composed dissolved or dispersed drug. Definition ~  Pharmaceutical monophasic liquids (Solutions) are single phase liquid preparation composed of one or more pharmaceutically active ingredients dissolved in a solvent, that are intended to be used internally or externally.  Solutions for internal use are either aques or hydroalcoholic, whereas, solutions for external use are aqueous or non-aqueous According to the route of administration, pharmaceutical solutions are of the following type Advantages of Monophasic Liquids 1) Bioavailability of dissolved drug is rapid as compared to its insoluble form The dosage toms can be ranked in increasing order of bioavailability in the following order Capsules < Powders < Suspensions < Solutions. 2) The drug is more uniformly distributed in liquid vehide and provides high dosage accuracy than biophysics liquid. 3) Liquid preparations are easy to swallow and thus m