Assertion: drug's use | /r/HasProperty | needed
Facets:
value: because of possible interactions
type: CAUSE
Source sentences:
text: Use of mirtazapine for anxiety disorders in the absence of depressive symptoms is uncommon.[citation needed]
text: Supervised use of natural products with cancer patients is necessary because of possible interactions which can either reduce effectiveness of antineoplastic drug agents or increase toxicity to patients via common drug metabolism pathways.