The drug pricing issue that could erupt this year

Pharmacy counter at Walgreens
People who use drug coupon cards could be on the hook for higher costs this year. Photo: Jeffrey Greenberg / UIG via Getty Images

Consumers could soon face surprising increases in how much they have to pay for their prescription drugs, thanks to changes in the way health insurers and pharmacy benefit managers process coupons from drug manufacturers.

Why it matters: Midterm elections are coming up in the fall. High drug prices have enraged people across the political spectrum, and voters who already have trouble affording their prescriptions could be hit with another surprise.