Most steps are same with "add a new drug".
User should login with administrator right to add new drug mixture.
1. Select Admin on the top menu
2. Select Inventory -> Inventory Item on the left menu
3. Click New button on the right page to create a new drug mixture
4. Input mixture information,make sure you have enter ingredients of mixture to "Ingredients" field
For Example, if you have a mixture "INDERAL+INDOCID",one tablet mixture contain 12mg INDERAL and 75mg INDOCID.
Then it will like the image showed below:

5,This mixture will be highlighted if its ingredients fall in patient's allergy