Tablets are a solid dosage form in which powder, crystalline or granular form of drug is compressed in a disk or molded. It is the most frequently used means of administering a drug. Most of the tablet is administered orally. However, the tablets for application as implant, solution, vaginal use, and external use are also available.
Oral tablets are designed to release the drug within the GI tract for absorption into the circulation or more rarely for a local effect. It is usually swallowed or dissolved in water before taking.
The molded tablets are softer than the compressed tablet. The moulded tablets dissolve rapidly when administered by placing under the tongue. The compressed tablets offer many advantages to the patient, the prescriber and the manufacturer. There may be single or multiple compressed drug following the oral administration.
To make a tablet well acceptable to the patient and easier to swallow, the tablet is prepared in different shapes and sizes. The tablet is usually discoid in shape. It may be available in other shapes such as round; oval, triangular or elliptical .The upper and lower surfaces of a tablet may be flat or convex. The tablet may be marked with a line across the surface so that it can be broken into halves easily. Sometimes the tablet may be marked with trade name with or without the amount of the active ingredient.
Tablets may be uncoated or coated. Uncoated tablets are chewable tablet, effervescent tablet, lozenge tablet, soluble tablet, and sublingual tablet. Coated tablets are enteric coated tablet, film coated tablet, implant, sugar coated tablet, and modified-release tablet. A broken section of a coated tablet shows a core which is surrounded by a continuous layer of a different texture. The reasons for coating a tablet are:
a) to protection of the active ingredients from air, moisture, light,
b) to mask the unpleasant tastes and odor; and
c) to improve appearance
Different Types of Tablets manufactured by Switzer Lifescience Pvt. Ltd. At its WHO GMP Approved manufacturing facilities are: Chewable tablet, Effervescent tablet, Lozenge tablet, Soluble tablet, Sublingual tablet, Enteric coated tablet, Film coated tablet, Implant tablet, Sugar coated tablet, Modified release tablet, Extended release tablet, Controlled release tablet, etc. are the various types of tablets that are used as per the requirement of the dosage delivery system of different pharmaceutical molecules.