title: OTC metaproterenol will aid improvement in asthma care.
mesh_terms: D001249:Asthma / Q000188:drug therapy*; D004837:Epinephrine / Q000627:therapeutic use; D006801:Humans; D009921:Metaproterenol / Q000627:therapeutic use*; D004366:Nonprescription Drugs / Q000627:therapeutic use*; D012651:Self Medication
chemical_list: D004366:Nonprescription Drugs; D009921:Metaproterenol; D004837:Epinephrine