According to Chase, “Merchants in the drugstores category specialize in selling prescription drugs and over-the-counter medicines, supplements and various health-related items. These merchants may also sell cosmetics, toiletries, greeting cards, and various household items such as cleaning supplies and packaged foods and drinks. Some merchants that sell a wide variety of goods including these items, and which may contain an onsite pharmacy, for example, warehouse clubs, discount stores, or grocery stores, are not included in this category.”
You can find out what counts as a drugstore for Chase by using the Visa Supplier Locator.