Influenza Drugs: Medicare Part D Spending

• 9medicines with Part D spending (calendar year 2024)

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

1. 1Oseltamivir PhosphateOseltamivir Phosphate · $3.03 per unit$18.7 million
2. 2Promethazine HCl*Promethazine HCl · $0.23 per unit$13.2 million
3. 3PrometheganPromethazine HCl · $5.04 per unit$1.9 million
4. 4BenzonatateBenzonatate · $0.37 per unit$1.9 million
5. 5Promethazine-DMPromethazine/Dextromethorphan · $0.05 per unit$130,222
6. 6TamifluOseltamivir Phosphate · $9.65 per unit$56,462
7. 7Brompheniramine-Pseudoephed-DMBrompheniramine/Pseudoephed/DM · $0.09 per unit$16,298
8. 8Promethazine-CodeinePromethazine HCl/Codeine · $0.06 per unit$8,737
9. 9PhenerganPromethazine HCl · $2.95 per unit$5,564

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

• Flu and pneumonia death rate

• Respiratory
• Infectious diseases