DDZAL-50 Injection contains Dosulepin Hydrochloride 50 mg, a tricyclic antidepressant used for the m...DDZAL-50 Injection contains Dosulepin Hydrochloride 50 mg, a tricyclic antidepressant used for the management of major depressive disorder, anxiety, and sleep disturbances. It acts by increasing the levels of serotonin and norepinephrine in the brain, which helps elevate mood, reduce anxiety, and improve sleep.See more