Robaxin

Adult Dosing .

Dosage forms:  INJ

Dosage Forms Discontinued in US

[oral tab not avail. as brand; see generic]

muscle spasm

[PO route]

Dose: 1000 mg PO qid; Start: 1500 mg PO qid x2-3 days; Max: 8000 mg/day for start dose; Alt: 750 mg PO q4h or 1500 mg PO tid

[IM/IV route]

Dose: 1000 mg IM/IV x1; Max: 3000 mg/day for up to 3 days; Info: may give additional 1000 mg IM/IV q8h prn if severe sx or unable to take PO

tetanus, adjunct tx

[1000-2000 mg PO/NG/IV q6h]

Start: 1000-2000 mg IV x1; Max: 3000 mg IV for start dose; 24 g/day PO/NG for total dose; Info: switch to PO/NG when possible

renal dosing

[PO route]

renal impairment: not defined

HD/PD: not defined

[IM/IV route]

renal impairment: contraindicated

HD/PD: contraindicated

hepatic dosing

[not defined]

Peds Dosing .

Dosage forms:  INJ

tetanus, adjunct tx

[500 mg/m^2/dose IV q6h prn]

Max: 1800 mg/m^2/day for up to 3 days; Alt: 15 mg/kg/dose IV q6h prn

renal dosing

[see below]

renal impairment: contraindicated

HD/PD: contraindicated

hepatic dosing

[not defined]