since winter time season i have not been able to stop scratching my skin is so itchy and feels like things are biting me but cannot see anything once i scratch a little pimple like red spot comes up then turns into a red sore from scratching. My GP says there is nothing wrong with me but i need to know what is causing the itch so it will go away my two daughters also have it please help me i have had it for 6mth 24/7. My age is 47, height 5'5 weigh 98kg. From Jenny