EntityQ434300· pop 29· linked from 234 articlesATC code RSign in to savesection of Anatomical Therapeutic Chemical Classification System relating to drugs affecting the respiratory systemConnectionshistamine antagonistEntityAnatomical Therapeutic Chemical Classification SystemEntityneomycinEntityantitussiveEntitysympathomimetic drugEntitybenzalkonium chloride C8-18Entitycromoglicic acidEntityivacaftorEntityobstructive lung diseaseEntitybloodEntityWorld Health OrganizationEntityboneEntitymedicationEntitymuscleEntityvaccineEntitynervous systemEntitymetabolismEntityantibioticEntityvitaminEntitycirculatory systemEntityCategoriesATC codes