I Don’t know what I have i’ve been experiencing this for almost a year

I’m 23, 5’10, 310lb, Male

I’ve only smoked weed for one month and it was back in 2024 lasted like a month (didn’t like it)

I’ve been having some trouble for the past year and I don’t know what it is, i feel dizzy, lightheaded, feels like my how body is shaking or vibrating (can really feel it when I’m laying down trying to sleep),I have a pressure in my head like crazy that comes and goes, when I breath my throat feels ticklish, and as of recently i’ve developed some crazy insomnia.

At fist when I started to feel some minor changes in my daily life I would sit in-front of my pc and play, but then I felt like my breathing becoming irritating but thought nothing of it. As paranoid as i sound i couldn’t whistle like i use to, felt like something was on my throat like mucus, after a some time passed I got sick and took some antibiotics that made me feel worse, and i think thats where my lightheadedness started. After a while of trying to let this pass naturally it didn’t go away, so naturally i went to the doctor and they said something about “asthma” my ass. Took it either way and it did nothing, after a while i got irritated, filled with stress and anxiety that i decided to go to the ER, they did an x-ray of my chest and found nothing wrong with me ( prior i was complaining a lot about how i couldn’t breathe and how my breathing was irritating). After more time of letting this go away naturally or just accepting that it was all in my head as every doctor is telling me I still have these things stressing me on a daily basis, and now i don’t even have the privilege of getting a good nights rest (insomnia).

This has been plaguing me for almost a year and I’m tired of not knowing what i have and how i can get rid of it.

The only thing that helps a little with breathing is using nasal spray to u clog my sinuses so i can breath somewhat normally, but even with that i still have irritations while breathing.