Perform periodic blood counts and liver function tests during long term therapy with diazepam. Diazepam should be used with caution in patients if increased salivation cause respiratory difficulty, because it may produce an increase in salivation. Give least amount of drug to patients in whom depression accompanies anxiety and suicidal tendencies may be present. It should be used with caution (if it contains tartrazine) in patients with aspirin hypersensitivity because it may cause allergic reaction (including bronchial asthma).