Allergy warnings can be added by navigating to a patient's eChart and selecting the "+" icon on the Allergies module:
This will open the Allergies page where you can record patient allergies. To add an allergy warning, you can search for existing allergies, click "Custom Allergy" to create a new allergy, or select one of the allergy presets (highlighted below):
Here, you can add a description of the patient's reaction to the allergen, start date, severity, and more, as shown below:
Once you've entered the allergy details, click "Add Allergy". The warning you've added will now appear on both the patient's eChart and the top of the Allergies page:
eChart Allergy List:
Allergy Page List:
Attempting to prescribe a medication that the patient is allergic to will now trigger a warning indicating a possible reaction.