For adults: Inject one or two vials straight right into the tubes of the recently inserted indwelling needle. An additional 10 mL or 20 mL could be brought in to the mixture container to make sure that a total amount of approximately 30 mL (three vials) is given as the initial dosage (see PRECAUTIONS). This treatment ought to be duplicated every six hrs up until problems enable the insertion of a nasogastric tube. Squashed methocarbamol tablets put on hold in water or saline might then be given through this tube. Overall day-to-day oral dosages up to 24 grams might be required as judged by individual response. For pediatric clients: A minimal preliminary dosage of 15 mg/kg or 500 mg/m2 is suggested. This dose might be repeated every six hours, if needed. The overall dose should not exceed 1.8 g/m2 for 3 successive days. The maintenance dose could be given by injection right into tubing or by I. V. infusion with a proper quantity of fluid. See directions for I. V. usage.
Robaxin (methocarbamol shot, USP) Injectable, a carbamate derivative of guaifenesin, is a central nerves (CNS) downer with sedative and also bone and joint relaxant homes. It is a sterilized, pyrogen-free services meant for intravenous or intramuscular administration.
Each mL consists of: methocarbamol, USP 100 mg, polyethylene glycol 300, NF 0.5 mL, Water for Injection, USP q. s. The pH is readjusted, when needed, with hydrochloric acid and/or salt hydroxide. The chemical name of methocarbamol is 3(2‑methoxyphenoxy)1, 2-propanediol 1‑carbamate and has the observational formula of C11H15NO5. Its molecular weight is 241.24. The structural formula is shown listed below.