EpiPen maker Mylan will make its allergy treatment more affordable

The maker of the EpiPen will make its lifesaving allergy treatment more affordable after mounting pressure from the likes of Hillary Clinton, who yesterday called the device’s price hikes "outrageous."

Mylan NV will offer a savings card that covers as much as $300 of the $600 cost of an EpiPen two-pack for those paying full price, the company said in a statement. Previously, the savings card covered $100. Mylan added that it is expanding eligibility for its patient-assistance program, which makes the allergy treatment cheaper for underinsured families.

These changes do not actually lower the $600 list price of the EpiPen, which delivers a hormone called epinephrine that ends a potentially deadly allergy attack. There’s less than $1...