 [ Symptoms ] i am 45 and have only developed excema now why would that be  i have only had the excema for the last couple of months i have not changed laundry detergent have lived in the same place for 3 years and wear more or less the same types of clothing that i always have i am lactose intolerant but have been this way for the last 7 years excema does not run in my family any cause the sudden onset [ Disease ] hi your find that eczema can come in lots of ways stress could do it see it can come from within and not from what we touch have you seen a dermatologist yet could be good place to start from even if its just for some ideas but your looking good for 45 nice smile hope this helps you good luck