Medicare Part D has long been criticized for leaving seniors exposed to high prescription drug costs. The new $2,000 annual cap, which took effect in 2025, was hailed as a breakthrough. For many retirees, the promise of predictable drug spending offers hope. Yet beneath the headline relief lies a series of hidden costs and complications. Seniors who assume the cap will solve all their financial challenges may be in for a surprise. Here are five key things you need to know about the changes.
