. . . And just how often are they used?
D000293:Adolescent; D000367:Age Factors; D000996:Antitussive Agents / Q000009:adverse effects / Q000627:therapeutic use*; D002648:Child; D002669:Child Welfare; D002675:Child, Preschool; D003139:Common Cold / Q000188:drug therapy*; D003371:Cough / Q000188:drug therapy*; D064420:Drug-Related Side Effects and Adverse Reactions; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D004366:Nonprescription Drugs / Q000009:adverse effects / Q000627:therapeutic use*; D012307:Risk Factors
D000996:Antitussive Agents; D004366:Nonprescription Drugs