diff --git a/parsers/drugcentral/src/loaddrugcentral.py b/parsers/drugcentral/src/loaddrugcentral.py
index 4a008760..bd828a85 100644
--- a/parsers/drugcentral/src/loaddrugcentral.py
+++ b/parsers/drugcentral/src/loaddrugcentral.py
@@ -24,12 +24,12 @@ class DrugCentralLoader(SourceDataLoader):
     attribution = "https://drugcentral.org/about"
     parsing_version: str = '1.5'
 
-    omop_relationmap = {'off-label use': 'RO:0002606',  # is substance that treats
-                        'reduce risk': 'RO:0002606',  # is substance that treats
+    omop_relationmap = {'off-label use': 'biolink:applied_to_treat',  # is substance that treats
+                        'reduce risk': 'biolink:preventative_for_condition',  # is substance that treats
                         'contraindication': 'NCIT:C37933',  # contraindication
                         'symptomatic treatment': 'RO:0002606',  # is substance that treats
                         'indication': 'RO:0002606',  # is substance that treats
-                        'diagnosis': 'RO:0002606'}  # there's only one row like this.
+                        'diagnosis': 'DrugCentral:5271'}  # there's only one row like this.
 
     act_type_to_knowledge_source_map = {'IUPHAR': 'infores:gtopdb',
                                         'KEGG DRUG': 'infores:kegg',