pustulant
/ˈpʌstjʊl(ə)nt/ /ˈpʌstʃʊl(ə)nt/adjective
Originally: causing the formation of pustules (now rare ). Later: affected with pustules; pustular.
Origin
Mid 19th century (in an earlier sense). From post-classical Latin pustulant-, pustulans, present participle of pustulare.