Tablet coating and their related questions:
What is Tablet coating?
Tablet coating is one of the
oldest pharmaceutical processes still is
existence. Coating is a process by which an essentially dry, outer layer of coating material is applied to the surface of a dosage form
in order to confer specific benefits over uncoated variety.
Why tablets are Enteric coated?
The coating is designed
to hold together in acid conditions and break down in non-acid conditions and
therefore release the drug in the intestines.
There are three reasons for putting such a coating on a tablet or capsule
ingredient:
- To protect the stomach from the drug.
- To protect the drug from the stomach.
- To release the drug after the stomach e.g. in the intestines
What is a film coated tablet?
A film coating is a thin polymer-based coat applied to a solid dosage form such as a tablet. The thickness of such a coating is usually
between 20-100 µm.
What is the process of coating?
A coating is a covering
that is applied to the surface of an object, usually referred to as the
substrate. The purpose of applying the coating may be
decorative, functional, or both.
What is the purpose of an enteric coating on a
tablet?
An enteric coating is a polymer barrier applied on oral medication that
prevents its dissolution or disintegration in the gastric environment. ... Tablets, mini-tablets, pellets and
granules (usually filled into capsule shells) are the most common enteric-coated dosage forms.
Can you crush a film coated tablet?
Each of the modifications or coatings is there for a different reason and will be damaged by crushing. Sugar or film coating – surrounds the tablet to make it
taste better. Crushing these types
of tablets may make them
to taste very unpleasant. Enteric coating – tablets with an enteric coating should never be crushed.
