Nurses can report ADRs through various channels: 1. Internal Reporting Systems: Many healthcare facilities have their own reporting systems where nurses can log ADRs. 2. National Pharmacovigilance Programs: In many countries, there are national programs where healthcare professionals can report ADRs. These reports are collected and analyzed to identify potential safety issues. 3. Direct Reporting to Pharmaceutical Companies: Nurses can also report ADRs directly to the drug manufacturers, who are required to track and report these incidents to regulatory authorities.