Sinequan (Doxepin) is a tricyclic antidepressant used to treat major depressive disorder, anxiety disorders, and certain types of insomnia. It works by increasing the levels of norepinephrine and serotonin in the brain, neurotransmitters that help improve mood and emotional balance. Sinequan is effective in alleviating symptoms like sadness, hopelessness, and anxiety, as well as improving […]