Hello. What you are taking/have been prescribed are both Anti Depressant medications. But they have to be taken at adequate dose for an adequate duration, for them to act, or to say that they aren't working.
ECT is certainly an option, but before one gets to it, other alternatives have to be explored.
Consult with a Psychiatrist and get your queries answered.
Next Steps
Consult with a Psychiatrist
Health Tips
Take medicines as prescribed.