Therapy is a must. You are in Germany, is this correct? (if not, and if you have the possibility [from your username], actually consider moving back there as access to free mental health care is much easier) Germany has Krankenkassa-covered access to therapy, and even Krankenkassa-covered clinics specializing in recovery from depression and other conditions - many times no pills, multimodal talk and art therapy appro…
I'd go one step further and recommend a real doctor, a psychiatrist.
Nevertheless IMHO, I think at least a component of therapy is paramount, as there is the need to change the life outlook to a growth one. You can't do that on pills alone.