@Jennifer 1967 and @golden_eve, thank you for the answers. I don't know if a month is long enough time to officially call it depression. I still think it might be just a period that would eventually go away. I feel better today.
It's been 2 years since my last visit at a psychiatrist office. I suffered existencial anxiety and panic attacks, but I told my psychiatrist about getting better and I stopped the medicine. He adviced me to go to therapy, I went for about half a year, but it didn't work for me...
The first therapist I got was just extremely expensive, the second one told me my issues were to abstract for her and adviced me to see someone else and that one didn't fit me at all, but I used to go there for half a year anyway just to give it a proper chance. I couldn't talk to him at all.