Reinforced by the police, officers from the board kicked off the raids on May 31, their main aim being to shut down illegal pharmacies in Kiambu, Murang'a, Nyeri, Kirinyaga and Nyandarua counties.
At least 97 people have been arrested in a major crackdown on illegal pharmacies in the Central region.
During the five-day operation by the Pharmacy and Poisons Board, 118 pharmacies were closed and 149 cartons of assorted medicines seized.