The vehicles for parenteral drugs are always aqueous, even if the drug molecule has limited solubility in the aqueous vehicle or is subject to hydrolysis. True False
Question
The vehicles for parenteral drugs are always aqueous, even if the drug molecule has limited solubility in the aqueous vehicle or is subject to hydrolysis. True False
Solution
False. The vehicles for parenteral drugs are not always aqueous. They can also be non-aqueous. The choice of vehicle depends on the drug's solubility, stability, and the desired rate of drug release into the body. If a drug has limited solubility in an aqueous vehicle or is subject to hydrolysis, a non-aqueous vehicle may be used.
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