And because the pharmacists will have comprehensive insight into the patient’s condition, they’ll be able to let doctors know when there might be contraindications. Let’s say someone is diabetic. They’re more likely to be overweight and, possibly, to have liver issues. As a result they’ll metabolize drugs differently. So if a new doctor prescribes a blood pressure medication, the Medco pharmacist might call the doctor and recommend that he or she run a liver panel on the patient and adjust dosage if need be.