1. A method for identifying conflicting and duplicate rules in a decision support system, said method comprising: establishing a first subsystem comprising a protocol of existing rules, each existing rule comprises an input feature; creating a new rule comprising an input feature and a health care treatment instruction, wherein the input feature of the new rule is not identical to the input feature of any of the existing rules; comparing terminology in the input feature of the new rule with terminology in the input feature of each existing rule of the protocol using a second subsystem; determining that the new rule and at least one existing rule from the protocol are similar as a function of said comparison, wherein determining further comprises passing sample input data through the new rule and the at least one existing rule to determine a respective output of each rule and comparing the output of each rule to determine a duplicate or conflicting output for the same input data; notifying a user that the new rule and the at least one existing rule are similar; and prompting the user to resolve the similarity, wherein the user is given an option to cancel the new rule.