Two Phase System Gels Flashcards
Suspension in a water medium of insoluble drugs in hydrated form wherein the particle size approaches or attain colloidal dimension
Gel
If undistributed for sometime, they may become semi solid or gelatinous with some small amount of water separating on standing,
If distributed, shaken, or agitated, they liquefy
Gels
Thixotropy
Gel
Very fine particle size to achieve large surface and thus maximum adsorption capacity
Thixotropy
Gels
May contain:
Peppermint oil
Glycerin
Sorbitol
Sucrose
Saccharin
Or other suitable flavor and preservative in a total amount of not exceeding 0.5%
Category of aluminum hydroxide gel
Medicated gel
Synonyms of aluminum hydroxide gel
Colloidal aluminum hydroxide
Amphojel
Alternajel
White viscous preparation from which small amount of water may be separated upon standing
Aluminum hydroxide gel
Aluminum hydroxide gel is ____ in thin layer
Translucent
It affects both red and blue litmus papers slightly, but is not reddened by phenolphthalein
Aluminum hydroxide gel
Uses of aluminum hydroxide gel
It is used primarily as an antacid (without systemic alkalosis)
in the management of
peptic ulcer
hyperacidity
esophagitis
gastritis
Aluminum hydroxide gel is also used as:
Skin protectant
Mild astringent
Aluminum oxide gel may cause:
Constipation
Formula of aluminum hydroxide gel
Ammonium alum
Sodium carbonate
Peppermint oil
Sodium benzoate
Purified water
These are dissolved in hot water to form aluminum hydroxide
To allow gas to escape
Sodium carbonate in 60 ML hot water
Alum in 30 ML hot water