The main side effects of lecanemab are common infusion-related reactions and a serious side effect called amyloid-related imaging abnormalities (ARIA), which involves brain swelling or bleeding. Patients are closely monitored with MRI scans for ARIA.
The main side effects of lecanemab are common infusion-related reactions and a serious side effect called amyloid-related imaging abnormalities (ARIA), which involves brain swelling or bleeding. Patients are closely monitored with MRI scans for ARIA.
www.nytimes.com/2025/10/19/u...