Evaluation of health literacy tools for correct prescription understanding.

Objectives: To evaluate two brief health literacy prediction tools for understanding of a prescription label and using a drug correctly.

Methods: Patients who visited the Family HealthCare Pharmacy were asked to complete the Newest Vital Sign (NVS) and Rapid Estimate of Adult Literacy in Medicine (REALM-R) and to interpret a prescription medication label. Each patient received a bottle of amoxicillin suspension with one of four prescription labels randomly varied in directions for frequency and amount.