SOLID DOSAGE FORM
Solid dosage
form are drug delivery devices for both single and bulk form suitable for oral
administration.
Some of the
solid dosage drug forms are very useful for internal use i.e. they are used in
body cavity or inhaled through varies in suction organs, likewise pessaries.
So, this is
a introductory blog in solid dosage form we will cover only the upper slit of
the solid drug.
The solid
dosage form mainly comprises of tablets, capsules, pills, cachets, powders and
granules.
Let’s get
one by one in detailing about its basics till the researches done in that
course till now…….
1. POWDERS:
“A powder
is defined as a solid dosage form composed of a solid or mixture of solid
reduced to finely divided state and intended for internal and external use.”
o
APPLICATION
OF POWDERS: -
i.
Powders
are used in clinical studies of drug preparation as it can be adjusted.
ii.
Young
children and infants who cannot swallow tablets and capsules can use powders.
The powder is mixed with water or suitable liquid and then given to the
children.
iii.
The
bulk drugs are mostly dispensed in powder form as the conversion it into
tablets can be pretending too large for the patient psychologically.
§ ADVANTAGES OF POWDER: -
i.
Powders
are one of the oldest dosage forms and are used both internally and externally.
ii.
The
stability meter is far more constant as compared to liquid dosage form.
iii.
It
is countable or measurable for the prescriber as it can be accurately weighed.
iv.
The
chances of spoilage is less as compared to other dosage forms.
v.
The
onset of action of powdered drug is faster than any other solid dosage form
Like tablets, capsules, etc. the smaller size of the powder rapidly dissolves in
the body fluids and acts faster.
vi.
Large
quantity of drugs can be easily given to the patient by dissolving into
suitable liquid or water.
vii.
Powders
are more economical as compared to other dosage form in method of preparation,
as it does not involve any machinery.
viii.
They
are easy to carry than liquid dosage form.
§ DISADVANTAGES OF POWDER:
i.
Drugs
having bitter, nauseous and unpleasant taste cannot be dispensed in powder
form.
ii.
Deliquescent
and hygroscopic drugs cannot be dispensed in powder form.
iii.
Drugs
which get affected by atmospheric conditions are not suitable for dispensing in
powder form.
iv.
Quantity
less than 100 mg or so, cannot be weighted on dispensing balance conveniently.
v.
The
dispensing of powder is time consuming.
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