I suffer from severe anxiety, stress, panic disorder, thyroid disease, tachycardia, asthma n allergies. Pnemonia twice n last 4 yrs. Last time was back in March. My oxygen levels are going up and down from like 89 to 98. I m weak, tired, exhausted, and all I want to do is sleep. No temp. No appetite, sometimes can t sleep. Don t know if I should go to ER or not.