For residual depression many strategies are used, the medicines, psychotherapy and relaxation exercise. Before starting a new medication or changing a medication a Psychiatrist will have to be sure about the diagnosis.
Next Steps
You can discuss it with your psychiatry and find a solution. At home you can start yoga (Pranayama and Asana)
Health Tips
please don't use any medications ( allopathic or ayurvedic) without consulting your doctor.