Types of tablets ( Effervescent Tablets, Medicated lozenges and Oral Compressed Tablets )
There are 10 types of tablets, where tablets can have several forms, including oral and effervescent, and can be Sublingual and Buccal Tablets. The difference is based on the desired goal of the tablets, and here we will explain some types of tablets, which are as follows:
1- Oral Compressed Tablets: It is one of the common types and it is also called Peroral tablets, these tablets are intended to be taken with water and may be uncoated, film-coated or sugar-coated, and may have a local gastrointestinal effect or a systemic effect, and there are also 3 types: immediate, delayed or extended release .
The surface may be scored or grooved.
2- Medicated lozenges: Compressed tablets intended to be sucked slowly to release drug in buccal cavity. They are prepared by molding. Generally, they may contain bactericides or local anesthetics for local action in the mouth or throat. They may also contain vitamin C for systemic action and It can be identified by its disc shape.
Not: It must be acceptable to the patient, so it must contain flavored sugar.
3- Effervescent Tablets: The compressed tablets disintegrate in water by liberating carbon dioxide from an acid-base reaction. This can be done by adding disintegrants such as tartaric acid, bicarbonate and citric acid. Examples of Effervescent Tablets are: analgesics, proton pump inhibitors (PPI) and vitamins.
Ingredients must be anhydrous to prevent an acid-base reaction during storage and must provide a dry environment during manufacturing, packaging and storage.