Valium is a prescribed medication used for anxiety and seizures. It belongs to a benzodiazepine drug class; comes from the Diazepam brand name. Have two suitable strengths Valium 5 mg and Valium 10 mg respectively. Take Valium directly by mouth, with or without food; for better results take it before sleep. Incense your every dose weekly with doctors' recommendations. When start Valium away from drinking alcohol.