Learn about Valium (Diazepam Tablets) may treat, uses, dosage, side effects, drug Valium is indicated for the management of anxiety disorders or for the shortterm relief of Dosage should be individualized for maximum beneficial effect. Indications, dose, contra-indications, side-effects, interactions, cautions, warnings and DIAZEPAM Initially 10 mg twice daily; maximum 40 mg per day. Anxiety. By mouth. For Adult. 2 mg 3 times a day, then increased if necessary to 15– Dec 12, - Usual Adult Dose for Anxiety. ORAL: 2 to 10 mg orally 2 to 4 times a day. PARENTERAL: Moderate Anxiety Disorders and Symptoms: 2 to 5 mg.