Walmart's medications are securely packaged in tamper-evident packaging, and customers can track their orders in real time through the Walmart app or website. Walmart has expanded its delivery capabilities, integrating prescription medications and general merchandise into one streamlined single order for delivery.

Walmart's previous efforts to dispatch prescription medications typically took at least five to seven business days.

Walmart Inc. will start delivering prescriptions to US homes in as little as 30 minutes, a move that’s intended to grab a bigger slice of online spending and compete against Amazon.com Inc.