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METHOD OF PREPARATION
1. Calculate the required quantity of each ingredient for the total amount to be prepared.
2. Weigh and/or measure each ingredient accurately.
3. Melt the gelatin base in a water bath with stirring.
4. Mix the silica gel, stevia, xanthan gum, and citric acid powders together until uniform.
5. Add the powders to the melted base and mix until uniform.
6. Add the diphenhydramine hydrochloride and mix until uniform followed by the flavoring.
7. Pour into molds (it may be necessary to reheat during this process).
8. Package and label.
PACKAGING
Package in tight, light-resistant containers.1
LABELING
Keep out of reach of children. Use only as directed.
STABILITY
A beyond-use date of 14 days when stored in a refrigerator can be used for this preparation.1
USE
Diphenhydramine hydrochloride gelatin troches have been used in the treatment of allergies, colds, and as a sleep aid.
QUALITY CONTROL
Quality-control assessment can include weight, specific gravity, active drug assay, color, clarity, texture of surface, appearance,...