<prompt> Following drugs are used in IBS-Constipation ExceptLubiprostoneTegaserodAlosetronLinaclotide  <response>: DRUG MECHANISM OF ACTION USED INTEGASEROD 5 HT4 AGONISTIBS -CONSTIPATIONLUBIPROSTONE STIMULATOR OF CHLORIDE CHANNELIBS -CONSTIPATIONLINACLOTIDE GUANYL CYCLASE C AGONIST IBS -CONSTIPATIONALOSETRON5-HT3 ANTAGONISTIBS-DIARRHEA 