That discount at the pharmacy counter may pack hidden costs

Next time you go to the pharmacy, you might be offered a coupon on your prescription drugs. While it may sound like a great deal — with the prospect of saving hundreds of dollars — the decision to accept it is complicated, especially for people with insurance. Even as prescription drug costs rise, patients with commercial insurance have slowed their use of manufacturer-sponsored drug coupons in recent years, according to a study published April 6 by the Journal of the American Medical …