Valium adult dosing. anxiety. [ mg PO bid-qid]: Alt: mg IM/IV qh prn; Info: taper dose gradually to D/C if long-term use. [6 mo yo]: Dose: mg/kg/day PO divided qh; Alt: mg/kg IM/IV qh prn; Max: mg/kg/8h IM/IV; Info: taper dose gradually to D/C if. Medications are given as single IV boluses, or as IV loading doses Diazepam is given IV push, at a dose of mg/kg, at a rate of 5 mg/min. O que e Diazepam?