Celebrity Corner of India

 Powders Powders are classified into 5 types: Bulk powder for internal use Bulk powder for external use Simple and Compound powder for internal use Powders enclosed in cachets and capsules Compressed powders (TABLETS) 1. Bulk Powder for Internal Use Dispensed in bulk (When accuracy isn't imp.) Contains several Doses Not supplied in wide mouthed containers that permits easy removal of spoonful of powder non potent substance are antacids and laxatives Bentonite clay for upset stomach 2. Bulk powders for external use: Meant for external use  non potent substance supplied in cardboard, glass or plastic container Dusting powders are supplied in perforated conatiners Label - FOR EXTERNAL APPLICATION ONLY Perforated container (caps bearing holes) Examples : >Snuffs                                  > Dusting powder                 >Insufflations...

POWDERS A pharmaceutical powder is a mixture of finely divided drugs or chemicals in dry form.   Meant for both Internal and External Use. Available in crystalline or amorphous form. Particle size of powder plays an important role in physical, chemical and biological properties of the dosage forms. Relationship between Particle size and physiological properties are given below. ↓ Particle size = ↑ dissolution, absorption, and therapeutic effect (Because it will increase the surface area)                                        Advantages of Powder: can be used both Internally and Externally. More stable than liquid dosage form. A physician can prescribe a specific amount of powdered medicament depending upon the need of the patient. chance of incompactibilites are less than liquid dosage form. Rapid action because of increase in Surface area. Easily dissolved in the body fluids due to...