The trend: Lack of transparency into prescription drug costs and poor comprehension of health insurance coverage prevent many Americans from affording their medications, according to a new survey from pharmaceutical industry trade group PhRMA and Ipsos.

• 2,592 US adults were surveyed in July—92% of whom have insurance coverage and 65% who took a prescription medication in the past year.

Unpacking the trend: Insured patients report a range of cost-related challenges with affording their care and treatment.