Potential drug-drug interactions at a referral hematology-oncology ward in Iran: a cross-sectional study.

Purpose: To assess the pattern and probable risk factors for moderate and major drug-drug interactions in a referral hematology-oncology ward in Iran.

Methods: All patients admitted to hematology-oncology ward of Dr. Shariati Hospital during a 6-month period and received at least two anti-cancer or non-anti-cancer medications simultaneously were included.