Sen. Bernie SandersBernard (Bernie) SandersMellman: On Political Authenticity (Part 2) Former Sanders campaign manager: Don't expect email list to be shared with DNC Adult film star: Trump and Stormy Daniels invited me to 'hang out' MORE (I-Vt.) and Rep. Elijah CummingsElijah Eugene CummingsHouse Oversight slams TSA after report says officials 'interfered' in disciplinary case House Dems accuse Republicans of stalling Russia probe to protect Trump Rep. Cummings hospitalized, wife suspends gubernatorial campaign MORE (D-Md.) called on the Obama administration to prevent the increasing costs of generic drugs.

“The federal government must act immediately and aggressively to address the increasing costs of these drugs,” the lawmakers wrote in a letter sent Thursday to Department of Health and Human Services Secretary Sylvia BurwellSylvia Mathews BurwellPrice was a disaster for HHS — Time for an administrator, not an ideologue Overnight Healthcare: GOP chairman to introduce pre-existing condition bill ObamaCare enrollment hits 11.5M for 2017 MORE.

The two lawmakers have previously written drug makers asking why prices have “risen at alarming rates.” They asked drug makers to respond by Oct. 23.

In their letter to Burwell, they cited examples of an asthma medication going from $11 to $424 in one year. Sanders and Cummings said the price increases not only affect consumers but also the federal government.

“These huge price increases are affecting the pocketbooks and health of millions of Americans,” the letter stated. “The rapidly increasing prices being charged for generic drugs is also directly affecting the budgets of Medicare, Medicaid, the Department of Defense, and the Department of Veterans Affairs.”