Alprazolam (Xanor) is contraindicated in patients with known hypersensitivity to benzodiazepines, alprazolam, or to any components, namely: lactose monohydrate, microcrystalline cellulose, docusate sodium, sodium benzoate, colloidal anhydrous silica, magnesium stearate, maize starch, F.D. & C. Blue no. 2 Aluminum Lake, F.D. & C. Yellow no. 6 Aluminum Lake, methylhydroxypropylcellulose.