Hello.
It will be difficult to judge online what causes your symptoms, but it appears you may have to look more into nutritional causes, rather than anxiety. Your smoking cessation program could also add to them, if not cause them.
While you wait for your insurance and your doctor's visit, try to include more nutritional supplements in your diet, make sure you eat regularly (small frequent meals, which can also help you with the weight), add a morning exercise routine if possible, etc.
Hope this helps.
Abhijeet Deshmukh, MD
(This post is for the purpose of providing medical information and is not a substitute for a face-to-face consultation with a doctor. This post is not intended to give or rule out a diagnosis, create a doctor-patient relationship or replace an existing one. I am not able to diagnose medical conditions online. Please consult with your doctor or a qualified healthcare provider for diagnosis and treatment options)