Dancer, I will pray for you. Are you in a position to talk to a doctor and/or psychologist about this? Medication can help, as can counseling to find out the root cause and learning to react differently. And also there are physical conditions that can cause depression and anxiety. Thyroid problems come to mind, but I think there are others, too.
One thing that you could try starting right now is giving up gluten and casein. No wheat, rye, barley, cheese, milk, butter, yogurt, etc., or food additives made with these things. It is easiest to just stop eating processed food entirely and focus on fruit, veggies, nuts, and meat. Any processed food needs to be gluten free and casein free.
Some people (myself included) have eliminated or greatly decreased depression and anxiety by this means. There are different mechansims proposed by medical science as to exacly how gluten and casein can cause depression and anxiety, but the bottom line is that there is anectodal evidence that ths can really help some people, and the idea is supported by medical science as well. Try it for 2 months and see if you feel better. Apparently it can take that long for all the offending molecules to leave your system, but I saw results in about 2 weeks. If it doesn’t help, then you lost nothing and at least are able to eliminate one possible cause.