1. A method of controlling changes to a patient's therapy, the method comprising: storing a plurality of therapy alteration permission levels on a computing device that represent various levels of authority for changing a current therapy of a patient; storing a data item of an electronic medical record, the data item including a field for at least one portion of an electronic medical record of a patient; applying one of the plurality of therapy alteration permission levels to the data item of an electronic medical record of the patient; deciding, via the computing device, whether the patient's current therapy can be modified based on the therapy alteration permission level applied to the data item of the electronic medical record; identifying a new therapy based on at least the electronic medical record; comparing the new therapy to the current therapy; and adjusting one or more parameters associated with at least one of the current therapy or the new therapy to minimize side effects.