Praying only made my psoriasis worse, so I nearly cursed God. I refrained at the last moment, but yes, I was tempted to curse him. It is so hard to live in this world.
I have eczema, which is similar to psoriasis, and it can also be triggered by food allergies/intolerance's. Specifically gluten/wheat, dairy, and tree nuts. I have found, through the elimination process, that gluten and tree nuts (almonds) are what I am actually allergic to and get an outbreak within hours of eating either. I can tolerate a small amount of dairy with the right provisions. Now that I cut them out of my diet, I have been eczema free for a while.
Mind you, gluten is in almost everything, so if you wanted to try it, you'd have to really look at labels and basically aim to buy meat, veggies and things labeled "gluten free", (I could give you a list if you wanted). Initially it was a struggle, but after while I don't even miss any of the gluten-laden foods. I've also lost a lot of weight by eating this way and using this as motivation when exercising a few times a week.
**My opinion: I have gone to doctors who've told me, for hundreds of dollars, what I am telling you freely. Steroids (what they prescribe you) only band-aid the issue and don't address the root cause.
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Through going to God in prayer and desperation, I believe he answered me by directing my attention towards my nutrition. Almost all illness starts in the gut, where most of your immune system is. Whether you're lacking in immune sustaining vitamins, or in excess of immune suppressing foods. After all, He formed me in the womb, so far be it for me to go to anyone before God, who already has the answers. Doctors are a blessing for all things trauma related and many other things, but as we Christians know, some things only Jesus can heal, through our faith in him and his will for us.
I use to think that this, on top of all my other problems, was God punishing me for something. Now that I am on my way to being the healthiest I've ever been, I realize that all of this was the catalyst I needed to grow and become a more complete individual. God has revealed to me his hand in all this and I can't help but love him even more.
I know how frustrating it is to suffer a skin disease and feel alone. Hopefully God will give you the answers you need to recover and be a testimony to someone else.
God Bless you, Elysian