Sir I have dust allergy and sinusitis for 3 years and my immune system is almost equal to zero this thing I found in a test. I have taken antibiotics course and nasal spray montek lc for a long period of time but everything went in vain. I fell short of breath wheezing nervousness chest tightness dry and have dry cough. I wanna know what is role of an immunologists in these situations and how do they deal with that. And what about my almost low immunity.