How to Prepare Lozenges

Aim: To prepare and submit 4 units of flavoured lozenges. 

Requirements: Sucrose, Corn syrup, Glucose, Beaker, Moulds, Heating mantle etc. 

Theory: Lozenges are solid preparations consisting of sugar and gum medicated with a substance, usually having a local action in the mouth and throat. They are also used for slow administration and slow release of a medicament for the treatment of indigestion and cough. They are also called touches. They are prepared either by moulding or by compression. 


IngredientsIngredients Standard formula 
D-glucose50 ml 
Corn syrup50 ml 

The formula for corn syrup: 

IngredientsIngredients Standard formula 
D-glucose20 gm 
Purified water5 ml 
Citric acid0.1 mg 


  1. Weigh the required amount of sucrose. 
  2. Prepare the corn syrup by mixing glucose and water. 
  3. Weigh the required amount of glucose. Add water to it and prepare a solution. 
  4. Heat this solution on the heating mantle till the temperature of the solution reaches  135°C. 
  5. Now add sucrose to it and heat till the temperature becomes 140°C. 
  6. Mould this solution and freeze in the freezer for 5-10 minutes. 

Category: Pharmaceutical aid. 

Storage: Store in a well-closed container and keep in a cool place.

Make sure you also check our other amazing Article on : Preparation of Mouth Wash
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