Dovobet warning

I have only had psoriasis for around three months and what a nightmare. I was originally prescribed dovonex. Unfortunately I had major side effect from it , it burnt me beyond belief. So much so I don't think areas of me will ever be the same again. I only used it for around a week. When I eventually got another appointment two weeks later another doctor gave me a prescription for betamethasone. He didn't explain what it was at the time. He is known for this. So I looked it up on the internet. It came up as a potent steroid. Which I was supposed to use with the dovonex. Having read about and knowing other people who have used steroids and problems with side effects I decided not to use it and make an appointment to see another doctor. This is where dovobet comes in. The next doctor prescribed dovobet I had researched it I said I don't want to use a steroid cream . He said don't worry it's not a very strong steroid we will just use it for three weeks then come back and see me again then we will discuss treatments. So like an idiot I believed him. Back I went in three weeks. He asked how I was doing. I explained for around a week and a half it began to tone down the redness. But after that they got redder and redder and it looks like the psoriasis is also staring to appear on my hands and feet. So it doing some benefit then. And I said no ,and repeated what I said before. He took no notice of what I said and said we will carry on using it for another 4 weeks. And I thought what choice do I have. Boy did I suffer for it a week later. I woke up the Tuesday morning and I had had a massive flare all the way down my arms on my thighs and shins. Managed to get an emergency appointment later that day to see an advanced practice nurse. Showed her what had happened and explained all the side effect I had with it. Headaches, areas of my skin had turned purple and that morning very strange the veins in my arm looked like they were bulging. Developed a cough and sniffles and the massive flare that had happened. I must admit she looked shocked when I pointed out how many had come out overnight. Now I am off medication for two weeks to let my skin settle. No ideas what they are going to do then. But worse of all I have now noticed spreading of the plaques and what I can only say is areas of dead skin. No flaking appearing but it also looks like any healing has stopped altogether. I thought this usually happened over long term use or suddenly stopping the medication. But what I have also discovered not I don't know whether to blame myself for using it ,or the doctor for prescribing it when I said I did not want a steroid. What I am most angry about is the fact that he told me it's not a very strong steroid, which after I looked it up last week found it was a potent steroid. Has anyone else had similar problems with dovobet?