Hello sir.. My age is 30yr.in last winter..on my hand there appeared a small red lession like swelling n it was itchy also..firstly I took it normal.but after 3days these type of red swellings started occuring in my hands &legs.dr.marked my problm as cold urticaria.n prescribed me some steroids.in starting of summer..it was occuring but as the summer came..it sort out appearing.just before 3days again a red small swelling occured on my face with itch.now d same small swelling has increased n its burning n grown arond 2.5cm in size.n today there occured another small red swelling near to d old1.what should i do?I went for allergy tests also.i m allergic for milk products.onion.lemon.dust.n some kind of fungus. I m v.upset.tell me sir..what should I do?