Rep. Sydney Kamlager-Dove (D-CA) on Dec 4 2025 said that Trump is showing signs he’s taking the Alzheimer’s disease drug Leqembi “The Alzheimer’s drug Leqembi is administered through an infusion (for example, through the hand) Can cause swelling, bleeding, or fluid leakage in the brain, requiring regular MRIs Can cause tiredness" Alzheimer's disease is a specific brain disease that causes a gradual decline in memory and cognitive functions, while dementia is a broader term that describes a range of symptoms affecting memory, thinking, and behavior. Alzheimer's is the most common type of dementia, but there are other forms as well. University of California Mayo Clinic