Alzheimer's Drugs: Medicare Part D Spending

• 16medicines with Part D spending (calendar year 2024)

Each number has its full source under its own list below.

1. 1Memantine HClMemantine HCl · $0.40 per unit$167 million
2. 2Donepezil HClDonepezil HCl · $0.25 per unit$98.2 million
3. 3NamzaricMemantine HCl/Donepezil HCl · $19.42 per unit$89.6 million
4. 4RivastigmineRivastigmine · $4.28 per unit$69 million
5. 5Memantine HCl ERMemantine HCl · $2.27 per unit$63.6 million
6. 6RivastigmineRivastigmine Tartrate · $0.72 per unit$20.3 million
7. 7Galantamine ERGalantamine HBr · $1.92 per unit$12.7 million
8. 8ExelonRivastigmine · $22.66 per unit$10.4 million
9. 9Galantamine HBrGalantamine HBr · $0.98 per unit$9.3 million
10. 10AdlarityDonepezil HCl · $110.85 per unit$2.5 million
11. 11Donepezil HCl ODTDonepezil HCl · $0.55 per unit$1.4 million
12. 12AriceptDonepezil HCl · $15.67 per unit$1.2 million
13. 13Namenda XRMemantine HCl · $14.80 per unit$698,542
14. 14Galantamine HydrobromideGalantamine HBr · $2.42 per unit$141,294
15. 15NamendaMemantine HCl · $6.74 per unit$77,398

Source: Centers for Medicare & Medicaid Services, Medicare Part D Spending by Drug, calendar year 2024. Retrieved 12 Nov 2026.

• Clinical trials: Alzheimer's disease
• Alzheimer's disease death rate

• Brain and nerves