Should I go to the er

I’ve been to the er twice this week on Monday night and Tuesday night. I just feel so much worse I feel servely dehydrated. I’ve been drinking water but ofc I can barely eat anything. I’m so short of breath but my oximeter is reading fine. Idk what to do anymore I feel like I’m wasting there time and mines. But i genuinely feel so bad. I know stress and anxiety make it worse but geez man I feel done for