Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) on Wednesday slammed the company that makes the EpiPen for hiking up the price of the emergency allergy treatment.

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"Something is very, very wrong when drug companies value their profits over the lives of their customers," Sanders tweeted on Wednesday.

"It is time to enact prescription drug policies that work for everyone, not just the CEOs of the pharmaceutical industry."

Something is very, very wrong when drug companies value their profits over the lives of their customers. — Bernie Sanders (@SenSanders) August 24, 2016

It is time to enact prescription drug policies that work for everyone, not just the CEOs of the pharmaceutical industry. — Bernie Sanders (@SenSanders) August 24, 2016

"It’s not a mystery why drug companies raise their prices to obscene levels," he added. "Just look at the multi-million dollar paychecks their CEOs get."

Sanders, in a series of tweets, highlighted other drugs by EpiPen's maker, Mylan, that have seen their prices go up.

"While Americans are dying because they can't afford Mylan's egregious drug prices, the company's CEO got a 671% raise to over $18 million," the former presidential contender said.

"Mylan has raised prices more than 20% on 24 medications, and more than 100% on seven medications," Sanders tweeted.

"The quality of Mylan’s drugs isn’t improving, but the company thinks it is acceptable to quadruple their prices."

He said the company's "greed is apparently limitless," citing an article saying the company not only raised the price of the EpiPen but also dodges U.S. taxes.

Since 2007, the price of the EpiPen has increased 400 percent.

Members of Congress have expressed concern over the price increase and called for a hearing on the issue. Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE on Wednesday called on the manufacturer to immediately reduce the price of the device.