you can get a pulmonary function test to check for asthma and COPD
you can get a chest CT scan, but I bet these tests will be normal
don't let your anxiety symptoms run your medical diagnostic workup. this won't help and can lead to more anxiety. I don't suspect chemicals or allergies which would cause sneezing and runny nose and tearing of the eyes symptoms.
acid reflux can cause sore throat symptoms.
fungal infections are super super super rare unless you have immunocompromise situation like if you take steroids all the time or if you have HIV. regular blood tests don't check for fungal infections because they are so rare.
you don't have to worry about having a fungal infection.
your doctors can do a blood culture for fungus, but it will be negative as well
let me know if you have other questions.
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