JoNel Aleccia, Senior Correspondent for Kaiser Health News, in a Dec. 15, 2016 article, "In Colorado, a Low-Price Drug Cocktail Will Tamp Down Cost of Death with Dignity," available at usatoday.com, stated:

“As of March, the latest data available, a bottle of 100 capsules of 100-milligram Seconal had a retail price of $3,082, according to data from Truven Health Analytics. Ten grams is a lethal dose…

To fight the high prices, doctors in Washington state experimented last year with a cheaper mixture that included three drugs — phenobarbital, chloral hydrate and morphine sulfate. The components are widely available and cost about $500 for a lethal dose. But the combination turned out to be too harsh…

[Volunteer medical adviser for End of Life Washington, Dr. Robert] Wood and his colleagues came up with a new option this summer, a four-drug mixture that includes diazepam, digoxin, morphine and propranolol, known as DDMP. It costs between $300 and $600.”

Dec. 15, 2016