Powders:- Powders are solid dosage forms of medicament in which one or more ingredients are dispensed in finely divided state, with or without excipient.
CLASSIFICATION :-
1] Bulk powders for internal use
2] Bulk powders for external use
3] simple or compound powders
4] powders enclosed in catches and capsules
5] compressed powders {tablets }
Advantages:-
1] it is used for both internally and externally
2] it is more stable than liquid dosage form
3]it is convenient for physician to prescibe a specific amount of powder
4] onset of action is faster
5] easy to carry
6] easy to administration
Disadvantages:-
1] Drugs which have bitter taste, unpleasant taste, cannot be administered in powder form
2] Drugs which get affected by the atmospheric condition are not suitable for dispense
3] less quantity cannot be weighed conveniently.
4] Deliquescent and hygroscopic drugs cannot be dispensed in powder form.
