LIQUID DOSAGE FORMS Flashcards
Are liquid preparations that contain one or more chemical substances dissolve in a suitable solvent or mixture of mutually miscible solvents
Solutions
What are the advantages of solutions
Completely homogeneous doses
Immediate availability for absorption and distribution
Provides a flexible dosage form through easy to swallow, can be used by any route of administration and easy to adjust dose
A represent by true or colloidal solution
Monophasic liquid dosage forms
Solutions containing high concentration of sucrose or other sugars
Syrups
Examples of syrups
Cherry syrup
Cocoa syrup
Orange syrup
Raspberry syrup
Nearly saturated aqueous solution of sucrose 85% weight per volume
Syrup according to national formulary or simple syrup
Inherently stable and resistant to the growth of microorganisms when properly prepared and maintained
Simple syrup
Methods of preparation for syrups
Percolation
Reconstitution
Addition of sucrose to medicated or flavored liquid
Solution by agitation without the aid of heat
Solution by agitation with the aid of heat
Give the importance of syrups
It retards oxidation because it’s partly hydrolyzed into the reducing sugar
It prevents the composition of many vegetable substance because it’s have high osmotic pressure which prevent the growth of bacteria
They are palatable due sweet taste
Are clear pleasantly flavored sweetened hydro alcoholic solutions intended for oral use
Elixirs
Alcohol content of elixir
5 to 40%
Alcohol content of aromatic elixir
22%
Methods of preparation of elixirs
Solution with agitation
Admixture of two or more liquid ingredients
Are alcoholic or hydro-alcoholic solutions of volatile substances
Spirits or essences
Alcohol content of spirits or essences
Use of spirits or essences
60%
Flavoring agents and vehicle
Spirits or essences and aromatic waters are stored in
Tight and light resistant containers
Are alcoholic or hydro alcoholic solutions prepared from vegetable materials or from chemical substances
Tinctures
Alcohol content of tincture
15 to 80%
What is the preparation of tinctures
Maceration and percolation
Examples of tinctures
Iodine Tincture
Opium tincture
Are liquid preparations of vegetable drugs containing alcohol as solvent preservative or both and so me that unless otherwise specified in an individual monograph
Fluid extract
H ml of fluid extract contains how many standard drug
1 g
Preparation of fluid extracts includes
Process A
Process B and D
Process E
Are clear aqueous solution saturated with volatile oils or other aromatic or volatile substances
Aromatic Waters
Aromatic waters are also called as
Medicated waters
Aqueous phasein some emulsions or suspensions
Aromatic Waters
Methods of preparation of aromatic waters
Solution of the aromatic substances with or without use of dispersing agent
Distillation
Are aqueous solutions used for treating The parents and not so pharynx by forcing air from the lungs
Gargles
Are aqueous solution use for its deodorant refreshing or antiseptic effect or for control of plaque
Mouth washes