Notes
1. Advantages and Disadvantages of Tablets as Pharmaceutical Dosage Form
Prakash Joshi 01 Jan 1970Advantages of Tablets
* Tablets are easy to be dispensed.
* More stable dosage form.
* Maintain accuracy in dose age.
* Bitter and nauseous substances can be given easily in tablet form after giving a suitable coating to the Tablets.
* Tablets are the lightest and the most compact of all dosage forms.
* Packaging and transportation of Tablets is easiest and cheapest as compared to all other dosage forms.
* Better suited to a large scale production as oral unit dosage form.
* Tablet dosage form is an economical dosage form.
Disadvantages of Tablets
* Some drugs resist compression due to their atmospheric nature and low density character, such drugs can't be compressed into Tablets.* Bitter tasting drugs, drugs with objectionable odour or drugs sensitive to Oxygen or or atmospheric moisture may require encapsulation or a special type of coating which may increase the cost of the finished tablets.
* Drugs with poor wetting and slow dissolution properties are difficult to convert into Tablets which provide full Drug bioavailability.
2. Different types of Tablets (solid dosage form)
Pharmacy Exams 01 Jan 1970Tablets are classified according to their route of administration or function. The following are the 4 main Classification groups:
1. Tablets ingested orally
i) Compressed Tablets
ii) Multiple Compressed Tablets or compress coated Tablets
iii) Multilayered Tablets
2. Tablets used in oral cavity
i) Buccal Tablets
ii) Sublingual Tablets
iii) Lozenges or traches
iv) Dental cones
iii) Vaginal Tablets (Pessaries)
4. Tablets used to prepare solutions
ii) Dispensing Tablets
iii) Hypodermic Tablets
iv) Tablet triturates