 [ Symptoms ] i have undifferentiated connective tissue disease brain mri shows white spots [ Disease ] generalized anxiety disorder affects the way a person thinks but the anxiety can lead to physical symptoms as well symptoms of gad can include excessive ongoing worry and tension an unrealistic view of problems restlessness or a feeling of being edgy  irritability muscle tension headaches sweating difficulty concentrating nausea the need to go to the bathroom frequently tiredness trouble falling or staying asleep trembling being easily startled in addition people with gad often have other anxiety disorders such as panic disorder obsessive compulsive disorder and phobias  suffer from depression andor abuse drugs or alcohol