I Have A Ring Less Army Fitted By Hospital A

I have a ring less army fitted by hospital a few months ago and I haven't been rightbsince, I've had itching front and back, I have used caniston creams, I have had discharge since, which doesn't smell. I am due back next month(October) to decide whether I need to have op or have another ring put in.i should of said I have a prolapse womb. Would I be allergic to the ring they put in. (I have put up with this for 6months) had prolapse for 10 years.