Saturday, September 19, 2009

Tablet Dosage Form: Tablets dosage form advantages and disadvantages

Tablet Dosage form
A tablet is usually a compressed preparation that contains:
Pharma blogspot.com
5-10% of the drug (active substance);
80% of fillers, disintegrants, lubricants, glidants, and binders; and
10% of compounds which ensure easy disintegration, disaggregation, and dissolution of the tablet in the stomach or the intestine.Pharmaceutical process validation


The disintegration time can be modified for a rapid effect or for sustained release.

Special coatings can make the tablet resistant to the stomach acids such that it only disintegrates in the duodenum as a result of enzyme action or alkaline pH.
Pharma Process Validation
Pills can be coated with sugar, varnish, or wax to diguise the taste.

Some tablets are designed with an osmotically active core, surrounded by an impermeable membrane with a pore in it. This allows the drug to percolate out from the tablet at a constant rate as the tablet moves through the digestive tract. here are  Pharmaceutical Validation  and

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