This section is designed to assist you if you encounter questions while you use MerckOrders.com.
Choose from the selection of popular topics below, or choose from the list of topics in the navigation bar at left.
If you need additional help, please call us at 800.MERCK.RX (800.637.2579). We are available Monday through Friday, 8:00 AM to 7:00 PM ET. You may also use our callback service for assistance. Request a callback
Note: If you are ordering products, you may also use the Live Chat service for order-related assistance.