Preparation of Codeine Linctus

Aim: To prepare and submit Codeine Linctus. 

Requirements: Codeine Phosphate, Lemon Syrup, Benzoic acid solution, Chloroform spirit, Purified water, Compound tartrazine solution, Syrup. 

Theory: Linctuses are viscous, liquid, oral preparations that are usually prescribed for the relief of cough. Linctuses are used for the treatment of cough. Codeine Linctus is indicated in adults for relief of the symptoms of dry or irritating coughs. It contains compound tartrazine solution and syrup as coloring and sweetening agent, benzoic acid solution, and chloroform spirit as a preservative. Codeine phosphate is the main drug that is used as a cough suppressant. 

Formula: 

IngredientsStandard formula 
Codeine phosphate3 g 
Lemon syrup200 ml 
Benzoic acid solution20 ml 
Chloroform spirit20 ml 
Purified water20 ml 
Compound tartrazine solution10 ml 
Syrup, up to1000 ml 

Procedure: 

  1. Take weighed amount of codeine phosphate in a conical flask. 
  2. Add water to the flask, and heat gently to dissolve. 
  3. Add color, benzoic acid solution, and chloroform spirit one at a time and mix thoroughly after each addition. 
  4. Add lemon syrup and mix. 

Category: Expectorant 

Storage: Store in an amber-colored bottle, as codeine phosphate degrades in light. 

Labeling: TO BE SIPPED AND SWALLOWED SLOWLY WITHOUT ADDING WATER

Make sure you also check our other amazing Article on : Components of Linctuses
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