Hello friend, good that you are seeking a help here. You are right. Such medicine will take min
2 to 3 weeks to show you the progress.
But would recommend you to in parallel start non medicine treatment plan like for your depression
. If you notice, the actual root cause behind your depression or post-partum emotions disturbance is your anxious thoughts or overthinking thoughts past or future incidents. Until you control or divert or cope with such thoughts, your treatment can't get over.
Be positive. By adopting psychotherapies or mindset changes excersises, relaxation techniques, dietary changes, few lifestyle changes, excersise routines along with counseling support, you can overcome your depression sooner.
Feel free reach me online for further evaluation and recommendation. Be positive. You will be alright soon.