Antidepressants take about 3-4weeks to have a proper action because they act on the chemicals in the brain. They arent like other pain killers that act instantly. Depression and anxiety both are treated with antidepressants like escitalopram. Dont lose hope.All the best!
Next Steps
Follow up with your psychiatrist
Health Tips
1) you may go in for counselling sessions
2) start any form of exercise or yoga and dedicate 30mins to it.
3) you can ask for an increase in dose if you desire so.