You can sometimes find pharmacies called Pop-N-Pills. It contains 48 Pill cases where various medical supplies can be looted. There is also 3 Beverage Coolers, some Cupboards and File Cabinets in the shop area. In the back of the building there are Toilets, a storage area and an office area with 8 Pill cases.
The video below shows the coordinates to the 2 Pop-N-Pills/Pharmacy's in Navezgane and demonstrates the types of loot containers and some loot as of alpha 13.8