Common disk-shaped<unk>  A<unk> (also known as a pill) is a pharmaceutical oral dosage form (oral solid dosage, or OSD) or solid unit dosage form.<unk>  may be defined as the solid unit dosage form of medicament or medicaments with suitable excipients. It comprises a mixture of active substances and excipients, usually in powder form, pressed or compacted from a powder into a solid dose.<unk>  are prepared either by molding or by compression. The excipients can include diluents, binders or granulating agents, glidants (flow aids) and lubricants to ensure efficient<unk> ing; disintegrants to promote<unk> break-up in the digestive tract; sweeteners or flavours to enhance taste; and pigments to make the<unk>  visually attractive or aid in visual identification of an unknown<unk>  A polymer coating is often applied to make the<unk> smoother and easier to swallow, to control the release rate of the active ingredient, to make it more resistant to the environment (extending its shelf life), or to enhance the<unk> s appearance. Medicinal<unk>  were originally made in the shape of a disk of whatever color their components determined, but are now made in many shapes and colors to help distinguish different medicines.<unk>  are often stamped with symbols, letters, and numbers, which enable them to be identified. Sizes of<unk>  to be swallowed range from a few millimetres to about a centimetre. The compressed<unk> is the most popular dosage form in use today. About two-thirds of all prescriptions are dispensed as solid dosage forms, and half of these are compressed<unk> . A<unk> can be formulated to deliver an accurate dosage to a specific site; it is usually taken orally, but can be administered sublingually, buccally, rectally or intravaginally. The<unk> is just one of the many forms that an oral drug can take such as syrups, elixirs, suspensions, and emulsions.
Tablet 
Litter 
Juice
Snake
Snuff 
Stye
Wettable powder
Powder