Abstract: There is described a method of treatment of mammalian cystitis, which method comprises administration of a compound of the formula I, ##STR1## wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an --OH group,or a pharmaceutically acceptable salt, ester or amide thereof, to a patient having cystitis.
Abstract: There is described a method of treatment of secretory otitis media, which method comprises administration of a compound of the formula I: ##STR1## wherein X is a polymethylene chain containing 3 to 7 carbon atoms inclusive, which chain may be substituted by an--OH group,or a pharmaceutically acceptable salt, ester or amide thereof, to a patient having secretory otitis media.