Rx-to-OTC switches: two H2 antagonists.
Chase
S L
SL
D002927:Cimetidine / Q000627:therapeutic use*; D015738:Famotidine / Q000627:therapeutic use*; D006801:Humans; D004366:Nonprescription Drugs / Q000627:therapeutic use*; D010353:Patient Education as Topic
D004366:Nonprescription Drugs; D015738:Famotidine; D002927:Cimetidine