Learning Objectives

• Definition of capsules, merits and demerits with its classification

Definition

Capsules are solid unit dosage form of medicament in which the drug is enclosed in a hard or soft container or shell made of suitable form of gelatin.

Advantages

1. They are attractive in appearance.
2. Drugs with unpleasant odor and taste can be enclosed in the shell.
3. The dose and combination of drug can be altered.
4. They are economical.
5. Ease of administration and portability.
6. Less formulation additives and processing steps when compared to tablets.
7. Disintegration time is lesser when compared to ordinary tablets.

Disadvantages

1. Drugs that are hygroscopic, deliquescent, effervescent or efflorescent are not suitable for filling into capsules.
2. Irritant GIT drugs cannot be formulated in capsule form.
3. They are not tamper proof resistant.