Which type of drugs are typically NOT delivered in an aqueous medium?

Hydrophobic drugs are typically not delivered in an aqueous medium due to their low solubility in water. These drugs possess nonpolar properties, making them more soluble in lipids or organic solvents rather than in water.

In contrast, water-soluble drugs dissolve readily in an aqueous environment, allowing for easy administration and absorption in the body. Electrolytes, which are ions dissolved in water, are also delivered in an aqueous solution. Antibiotics can be water-soluble or formulated in non-aqueous mediums depending on the specific drug and its intended route of administration, but many are designed to be effective in aqueous form for easy delivery and effectiveness. Therefore, the characteristic of hydrophobic drugs specifically sets them apart from the others in terms of delivery in aqueous media.