THE USUAL DOSE :- 8 MG BY SLOW I.V. INJECTION JUST BEFORE CHEMOTHERAPY OR RADIOTHERAPY OR 8 MG ORALLY 1-2 HOURS BEFORE TREATMENT, FOLLOWED BY 8 MG ORALLY EVERY 12 HOURS.
OR BY RECTUM, 16 MG DAILY FOR UP TO 5 DAYS; CHILD, BY SLOW INTRAVENOUS INJECTION OR BY INTRAVENOUS INFUSION OVER 15 MINUTES, 5 MG/M2 IMMEDIATELY BEFORE CHEMOTHERAPY THEN 4 MG BY MOUTH EVERY 12 HOURS FOR UP TO 5 DAYS
SEVERELY EMETOGENIC CHEMOTHERAPY, BY INTRAMUSCULAR INJECTION OR SLOW INTRAVENOUS INJECTION, 8 MG IMMEDIATELY BEFORE TREATMENT, WHERE NECESSARY FOLLOWED BY 2 FURTHER DOSES OF 8 MG AT INTERVALS OF 2 - 4 HOURS (OR FOLLOWED BY 1 MG/HOUR BY CONTINUOUS INTRAVENOUS INFUSION FOR UP TO 24 HOURS), THEN BY MOUTH, 8 MG EVERY 12 HOURS FOR UP TO 5 DAYS OR BY RECTUM, 16 MG DAILY FOR UP TO 5 DAYS;
ALTERNATIVELY, BY INTRAVENOUS INFUSION OVER AT LEAST 15 MINUTES, 32 MG IMMEDIATELY BEFORE TREATMENT OR BY RECTUM, 16 MG 1 - 2 HOURS BEFORE TREATMENT, THEN BY MOUTH, 8 MG EVERY 12 HOURS FOR UP TO 5 DAYS OR BY RECTUM, 16 MG DAILY FOR UP TO 5 DAYS; CHILD, BY SLOW INTRAVENOUS INJECTION, 5 MG/M2 IMMEDIATELY BEFORE CHEMOTHERAPY THEN 4 MG BY MOUTH EVERY 12 HOURS FOR UP TO 5 DAYS
PREVENTION OF POSTOPERATIVE NAUSEA AND VOMITING, BY MOUTH, 16 MG 1 HOUR BEFORE ANAESTHESIA OR 8 MG 1 HOUR BEFORE ANAESTHESIA FOLLOWED BY 8 MG AT INTERVALS OF 8 HOURS FOR 2 FURTHER DOSES
ALTERNATIVELY, BY INTRAMUSCULAR OR SLOW INTRAVENOUS INJECTION, 4 MG AT INDUCTION OF ANAESTHESIA; CHILD OVER 2 YEARS, BY SLOW INTRAVENOUS INJECTION, 100 MICROGRAMS/KG (MAX. 4 MG) BEFORE, DURING, OR AFTER INDUCTION OF ANAESTHESIA
TREATMENT OF POSTOPERATIVE NAUSEA AND VOMITING, BY INTRAMUSCULAR OR SLOW INTRAVENOUS INJECTION, 4 MG; CHILD OVER 2 YEARS, BY SLOW INTRAVENOUS INJECTION, 100 MICROGRAMS/KG (MAX. 4 MG)