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POWDERS
BY- MAYANK
POWDERS
Powders are the solid dosage form which are meant to
administered internally or externally.
Or
Powder is a mixture of finely divided drug or chemical
in a dry state.
Or
Powders are the solid dosage form which are meant for
internal or external use.They are available in
crystalline or amorphous form.
ADVANTAGES OF
POWDER
i. They are more stable then liquid dosage form.
ii. It is convient for physician to prescribe.
iii. Chances of incompatibility is less.
iv. The onsetup action of powder is rapid as
compared to other dosage form.
v. Easy to carry as compared to liquid.
vi. Economical.
DISADVANTAGES OF
POWDER
i. It is time convient process.
ii. Hydroscopic drug can’t be dispensed in powder
dosage form.
iii. Drugs which have unpleasant or bitter taste cannot
be dispensed by powder dosage form.
iv. Drugs which get affected by the atmosphere
condition are not suitable for dispensing in powder
form.
v. Quantity less than 100mg so cannot be made
convintely on dispensing balance.
SIMPLE POWDERS
The powders which contain only one ingredient
(single API) and suitable inert substance are known
as simple powder.
METHODS OF PREPARATION
1. Weigh 100mg of drug and mix with 900mg of diluent.
According to geometric dilution.
2. Weigh out 150mg of this mixture which contain 15mg of
drug.
3. Pack 150mg of triturated material. According to to dosage
requirement,label and dispense.
COMPOUND POWDERS
The powders which contain more than one drug or
API are known as compound powders.
They are mix together and then divided into desired
number of individual doses which are dispensed into
Individual pack.
METHODS OF PREPARATION
1. Weigh the calculated amount of each ingredient
According to dose regiment if needed.
2. Mix them in ascending order of their weights.
3. Pack each dose according to dosage
regiment,label and dispense.
DUSTING POWDER
These are the powders supplied in bulk for external
use an offer sprinkled as per as the requirement of
the patient directly on the wound through
perforaited or sifers of container.
EFFERVESCENT GRANULES
Effervescent powder or granules these are dispersed
as a single or multiple dose,preparation and
generally contain acid substance and carbonate or
hydrogen carbonates which react rapidly in
presence of water to release CO2.They are intended
to be dissolve or disperse in water before
administration.
The basic requirement of effervescent granules are-
Medicament
NaHCo3
Citric acid and tartaric acid
Powders and its types
Powders and its types

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Powders and its types

  • 2. POWDERS Powders are the solid dosage form which are meant to administered internally or externally. Or Powder is a mixture of finely divided drug or chemical in a dry state. Or Powders are the solid dosage form which are meant for internal or external use.They are available in crystalline or amorphous form.
  • 3.
  • 4. ADVANTAGES OF POWDER i. They are more stable then liquid dosage form. ii. It is convient for physician to prescribe. iii. Chances of incompatibility is less. iv. The onsetup action of powder is rapid as compared to other dosage form. v. Easy to carry as compared to liquid. vi. Economical.
  • 5. DISADVANTAGES OF POWDER i. It is time convient process. ii. Hydroscopic drug can’t be dispensed in powder dosage form. iii. Drugs which have unpleasant or bitter taste cannot be dispensed by powder dosage form. iv. Drugs which get affected by the atmosphere condition are not suitable for dispensing in powder form. v. Quantity less than 100mg so cannot be made convintely on dispensing balance.
  • 6.
  • 7. SIMPLE POWDERS The powders which contain only one ingredient (single API) and suitable inert substance are known as simple powder.
  • 8. METHODS OF PREPARATION 1. Weigh 100mg of drug and mix with 900mg of diluent. According to geometric dilution. 2. Weigh out 150mg of this mixture which contain 15mg of drug. 3. Pack 150mg of triturated material. According to to dosage requirement,label and dispense.
  • 9. COMPOUND POWDERS The powders which contain more than one drug or API are known as compound powders. They are mix together and then divided into desired number of individual doses which are dispensed into Individual pack.
  • 10. METHODS OF PREPARATION 1. Weigh the calculated amount of each ingredient According to dose regiment if needed. 2. Mix them in ascending order of their weights. 3. Pack each dose according to dosage regiment,label and dispense.
  • 11. DUSTING POWDER These are the powders supplied in bulk for external use an offer sprinkled as per as the requirement of the patient directly on the wound through perforaited or sifers of container.
  • 12.
  • 13. EFFERVESCENT GRANULES Effervescent powder or granules these are dispersed as a single or multiple dose,preparation and generally contain acid substance and carbonate or hydrogen carbonates which react rapidly in presence of water to release CO2.They are intended to be dissolve or disperse in water before administration. The basic requirement of effervescent granules are- Medicament NaHCo3 Citric acid and tartaric acid