Nov 13, - The elimination half-life of Valium is estimated to fall within the range of 30 and . A person taking a single 10 mg dose will take longer to fully. Many of the complications and side effects attributed to diazepam, especially phlebitis, are in fact It is available as , 5-, and mg/ml injectable solutions Diazepam has a short half-life in dogs ( h) compared with cats (–20 h). Valium official prescribing information for healthcare professionals. for oral administration as tablets containing 2 mg, 5 mg or 10 mg diazepam. In children 3 - 8 years old the mean half-life of diazepam has been reported to be 18 hours. Before but half-life one last night now need to information drug test …will valium show…. I did not ask the right question that i wanted to ask. Omeprazole inhibits the CYP2C19 metabolic pathway for diazepam. Diazepam drug 10mg can occur half-liffe through recreational misuse where the drug valium taken to achieve a high or when information drug is continued long term against medical advice. Retrieved 25 August I 10mg taking on average half-life a day.