On Calle Abada, Casimiro Cenarro set up his pharmaceutical store decorated in the Modernist style. During the Spanish Civil War, a bomb destroyed part of the building, but the pharmacy was saved.

At the end of the war, the business was moved to its current location. Farmacia Cenarro acquired a certain prestige thanks to its innovations in the pharmaceutical field, such as providing oxygen for home treatment, supplied in rubber bottles, as well as the development of homoeopathic treatments created in a shop adjacent to the store. The company’s “Cenarro chest sweets” were also very well known in Madrid.

Another innovation was the novel “guaranteed wet-nurse system”, which involved a file that stored information regarding various local wet nurses, including an analysis of their milk. This system was a great success among the well-off families of Madrid.