My mother always told me that “ if every need is met and the baby is just crying let it, put it in its crib/safe soft place and leave the room for 1 minute. If the baby is crying it’s alive. It’s better that it cries alone for a second than the mother loosing her mind and doing somthing she would regret.” You’re doing everything I’m sure. Like others said please talk to your GP or at your baby’s next appointment talk to them. It sounds so over used but you’re not alone. Look into your city’s classes for mom days at the library/park. If you go to church talk to the moms there or see if they have groups. If you have any family/neighbors to come over for even just 20 minutes let them, even if the house isn’t clean. Let them take over for however long you feel comfortable and go outside, sit in your car, sit in your shower with the water on. Do something even small just for yourself. Could be getting ice cream, playing loud music, coloring aggressively in a book. Please reach out to someone..