Can anyone help me. How can I prove I have ME so that I am able to claim esa. Unlike fibro The symptoms usually hit me after I have done too much, sometimes several days later. I am now struggling with a full time job but according to the new rules I will not be eligible to claim tax credits if I give up working for myself (don't earn enough from it to live on) unless I work 30hrs a week. If i have to have an assesment to claim esa I am worried that I will not get it as the symptoms of ME are hard to prove.