 [ Symptoms ] lying down flat and lifting up my head my stomach bulges in the center from my chest to my navel and is very soft my ab muscles are hard on either side but the center is bulging and soft is this normal or is this some kind of hernia [ Disease ] as per your query non itchy flat rashes can be due to sjogren is syndrome and is a commonly seen symptom in case if the symptoms recur please consult a rheumatologist and get evaluated hope this helps regards