
    Given a list of medication pairs where each pair contains a drug name and its interaction risk score, identify the drug that has the lowest potential for adverse interactions with the patient's current medications. The interaction risk score ranges from 0 to 100, where lower scores indicate safer combinations.
    

    
from operator import itemgetter

def index_minimum(test_list):
    """
    Given a list of medication pairs where each pair contains a drug name and its interaction risk score, identify the drug that has the lowest potential for adverse interactions with the patient's current medications. The interaction risk score ranges from 0 to 100, where lower scores indicate safer combinations.
    

    """
from operator import itemgetter

def index_minimum(test_list):
    """
    Given a list of medication pairs where each pair contains a drug name and its interaction risk score, identify the drug that has the lowest potential for adverse interactions with the patient's current medications. The interaction risk score ranges from 0 to 100, where lower scores indicate safer combinations.
    

    """
    res = min(test_list, key=itemgetter(1))[0]
    return res