Which medication is frequently prescribed for patients with depressive disorder symptoms?

Amitriptyline is frequently prescribed for patients exhibiting symptoms of depressive disorders due to its classification as a tricyclic antidepressant. It works primarily by increasing the levels of certain neurotransmitters, such as serotonin and norepinephrine, in the brain, which can help improve mood and emotional wellbeing. The efficacy of amitriptyline in alleviating depressive symptoms has been well-documented, making it a common choice for healthcare providers when treating patients with depression.

Other medications listed do not primarily target depressive disorders. Propranolol, for instance, is a beta-blocker used primarily to manage hypertension and anxiety, especially performance anxiety. Rifampin is an antibiotic primarily used to treat tuberculosis and certain bacterial infections, while metronidazole is an antibiotic effective against anaerobic bacteria and certain parasites. These medications serve different therapeutic purposes and are not indicated for treating depressive disorders.