Intranasal medication.
D003139:Common Cold / Q000188:drug therapy*; D004809:Ephedrine / Q000008:administration & dosage*; D006801:Humans; D014663:Nasal Decongestants / Q000008:administration & dosage*; D012220:Rhinitis / Q000139:chemically induced*
D014663:Nasal Decongestants; D004809:Ephedrine