Insoluble drug or poorly soluble drugs which required to be given orally in solid dosage forms ( in case of children, elderly, and patients have difficulty in swallowing liquid dosage forms)

Insoluble derivative formulated as suspension An example

Some materials are needed to be present as finely divided forms to increase the surface area. Fore example,

Application suspention in vaccines such as

X-ray contrast media: an example is oral and rectal administration of propyliodone

In aerosol > suspension of active agents in mixture of

Suspension can improve chemical stability of certain drug.

Drug in suspension exhibits higher rate of bioavailability than other dosage forms. bioavailability is in following order,

Suspension can mask the unpleasant/ bitter taste of drug. E.g. propellants