The differences between tablets and capsules:
Tablets:
- Definition: Tablets are the most common type of pill used for oral medication. They are inexpensive, safe, and effective.
- Composition: Tablets are made by compressing one or more powdered ingredients into a hard, solid, smooth-coated pill.
- Shape and Appearance: Tablets can be round, oblong, or disc-shaped. Oblong tablets are sometimes called caplets, which are easier to swallow. Some tablets have a line scored across the middle, making them easier to split in half.
- Special Coatings: Certain tablets have a special coating that prevents them from breaking down in the stomach. This ensures that the tablet dissolves only after entering the small intestine.
- Chewable and Orally Dissolving Tablets: Some tablets come in chewable forms or as orally dissolving tablets (ODT), which break down in saliva. These are helpful for people who have difficulty swallowing.
- Absorption and Metabolism: The dissolved tablet medication is eventually absorbed into the bloodstream. It travels to the liver and is distributed to target areas in the body, where it performs its function. Throughout this process, the drug undergoes chemical changes (metabolism) and is eventually excreted in urine or feces1.
Capsules:
Definition: Capsules include medication enclosed in an outer shell.
Types:
- Hard-Shelled Capsules: These consist of two halves that fit inside each other. The inside is filled with dry medication (powder or pellets). Some hard-shelled capsules contain liquid medication (known as liquid-filled hard capsules).
- Soft-Gel Capsules: These are wider and usually semi-transparent. They contain medication in either powder or liquid form.
- Absorption and Distribution: The outer shell of capsules breaks down in the digestive tract, allowing the medication to be absorbed into the bloodstream. The distribution and metabolism of the medication are similar to that of tablets.
- Ideal for Dual-Action or Extended-Release Formulas: Airtight liquid-filled hard capsules can contain more than one drug, making them suitable for dual-action or extended-release formulations
In summary, both tablets and capsules deliver medication via the digestive tract, but they have distinct characteristics. Tablets are solid, compressed pills, while capsules enclose medication in an outer shell. The choice between them depends on factors like ease of swallowing, specific formulations, and individual preferences23. Remember to consult your healthcare provider for personalized advice on medication forms and safety.
