I feel cold most days and sweaty I do have severe anxiety what else could be going on?

Anxiety. Anxiety or worry is a psychological & physiological state characterized by somatic, cognitive, emotional & behavioral features. It signifies fear/concern/unpleasant sensations/ dread. It causes restlessness, fatigue, muscle tension & concentration difficulties. It is considered a normal reaction to a stressor, unless it interferes with daily functioning or causes significant distress, as in panic.