They may be used to mask the unpleasant tastes, aromas, or appearance of a drug.

They allow powders to be dispensed in an uncompressed form, thus allowing for quicker dissolution and absorption of the drug following oral dosing (as compared with tablets).

They offer the pharmacist versatility to prepare any dose desired for a variety of administration routes (e.g. oral, inhalation, rectal, or to be diluted for vaginal, rectal, oral or topical use).

They may be easier than tablets for some people to swallow.

They can be make to alter the release rate of the drug.

Hygroscopic drugs are not suitable for filling into capsules, because they absorb water present in capsule shell makes shell very brittle and ultimately lead to crumble into pieces

The concentrated solutions which require previous dilution are unsuitable for capsules because if administered as such lead to irritation into stomach

Hard gelatin capsule consists of _____ pieces of cylinders closed at one end.

The empty capsule shells are made of

Moisture may be absorbed by gelatin capsules that is why capsules are packaged along with a small packet or cylinder of a desiccant material (i.e., dried silica gel, clay, and activated charcoal) to protect against the