• Hussain S Lalani, Frazer A Tessema, Aaron S Kesselheim, and Benjamin N Rome.
• Program On Regulation, Therapeutics, And Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA. hlalani@bwh.harvard.edu.
• J Gen Intern Med. 2024 Sep 1; 39 (12): 218721952187-2195.

BackgroundDirect-to-consumer (DTC) pharmacies sell generic prescription drugs, often at lower prices than traditional retail pharmacies; however, not all drugs are available, and prices vary.ObjectiveTo determine the availability and cost of generic drugs at DTC pharmacies.DesignCross-sectional study.SettingFive national DTC pharmacies in April and May 2023.ParticipantsEach qualifying form of 100 generic drugs with the highest cost-per-patient (expensive) and the 50 generic drugs with the highest number of patients (common) in Medicare Part D in 2020 MAIN MEASURES: Availability of these drugs and the lowest DTC pharmacy price for a standardized drug strength and supply (e.g., 30 pills), compared to GoodRx retail pharmacy prices.Key ResultsOf the 118 expensive generic dosage forms, 94 (80%) were available at 1 or more DTC pharmacies; out of 52 common generic dosage forms, 51 (98%) were available (p < 0.001). Of the 88 expensive generics available in comparable quantities and strengths across pharmacies, 42 (47%) had the lowest cost at Amazon, 23 (26%) at Mark Cuban Cost Plus Drug Company, 13 (14%) at Health Warehouse, and 12 (13%) at Costco; for 51 common generic formulations, 16 (31%) had the lowest cost at Costco, 14 (27%) at Amazon, 10 (20%) at Walmart, 6 (12%) at Health Warehouse, and 5 (10%) at Mark Cuban Cost Plus Drug Company. For the 77 expensive generics with available GoodRx retail pharmacy prices, the median cost savings at DTC pharmacies were $231 (95% CI, $129-$792) or 76% (IQR, 53-91%); for 51 common generics, savings were $19 (95% CI, $10-$34) or 75% (IQR, 67-83%).ConclusionsMany of the most expensive generic drugs are unavailable at direct-to-consumer pharmacies. Meanwhile, less expensive, commonly used generics are widely available, but drug prices vary by pharmacy and savings are modest, requiring patients to shop around for the lowest cost.© 2024. The Author(s), under exclusive licence to Society of General Internal Medicine.

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