Walgreens is another 24-hour pharmacy chain with multiple locations in San Diego. They provide a comprehensive range of prescription medications, over-the-counter drugs, and health products. The pharmacy is staffed with licensed pharmacists who are available 24/7 to answer questions and provide medication counseling. Walgreens also offers services such as immunizations, health screenings, and prescription refills. Their 24-hour operation ensures that customers can access their medications and healthcare products at any time, providing peace of mind and convenience for those in need of late-night pharmacy services.