The bacteriological quality of powdered herbal preparations marketed in Kaduna metropolis was determined using the total aerobic plate count and the presence of some indicator bacteria. Phytochemical contents and some physical parameters of the herbal medicinal preparations were also determined. The antibacterial activities of the methanolic herbal extracts were compared with those of some antibiotics commonly prescribed in the studied area. The results showed that the bacterial load and the rate of occurrence of selected pathogenic bacteria in the herbal preparations varied considerably and...