If hiccups persist after using simple measures, try chlorpromazine (Thorazine), 25 to 50 mg PO tid or qid. (The same dose may be given IV or IM.)Another approach is to use metoclopramide (Reglan), 10 mg PO tid or qid, followed by a maintenance regimen of 10 to 20 mg PO tid to qid for 10 days....