Tablet contains one or more active ingredients and obtained by comprising
uniform volumes of particles. Some are swallowed whole; some after being
administered and some are retained in the mouth where the active ingredient is
liberated. It may consists of excipients such as diluents, binders
disintegrating agents, glidants , lubricants, coloring matters and agents etc.
Tablet end surfaces may be flat or convex. They may have lines or break
marks and may bear a symbol or other markings. It may be coated or non-coated.
Several categories of tables for oral use may be distinguished:
--Uncoated tablet
--Coated tablet
--Effervescent tablet
--Soluble tablet
--Dispersible tablet
--Gastro-resistant tablet
--Tablets for use in the
mouth
--Modified release tablets
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