Sweaty head symptoms and conditions

severe anxiety, panic, rapid heart rate, diarrhea, clostridium difficile, dizziness, numbness in feet, electrical shock sensations, leg and arm weakness, tremor in hands, rash, burning skin, insomnia, depersonalization, severe depression, chest pain, knee caps felt like they were going to pop off when I would walk, fatigued easily, memory loss, inability to concentrate, eye floaters, weight loss of 20 pounds in 2 weeks, loss of taste, sensitivty to sound/light, GERD, sensitivity to hot temperatures, night sweats. some symptoms still persist after 4 months