
How Much Does Keytruda Cost Per Month?
Keytruda (pembrolizumab) has transformed cancer treatment, but its price tag remains one of the highest in oncology. In 2025, the average monthly cost of Keytruda in the United States is estimated at $15,000 to $16,000, depending on the dosing schedule. While list prices are staggering, most patients do not pay this full amount thanks to insurance coverage, Medicare benefits, and financial assistance programs. Still, questions like “How much does Keytruda cost per month?” and “Why is Keytruda so expensive?” are critical for patients, caregivers, and policymakers navigating the realities of modern cancer care.
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