I have started to choke spontaneously on my own saliva. Anyone else?

Yes, I do have GERD and take omeprozole for it and it does help.
Thank you.

I had some back up reflux which i dealt with using Zofran and Prilosec

Yes,
Had two sinus surgeries that opened up my sinus drainage. I sometimes get so much mucous or phelm going down throat I cough and cough.

I have tried to watch diet and what I drink and seems to have helped. Miss a lot of my spices I used to use but has helped.

My problem is coughing it up causes throat irritation and thus more phelm and throat irritation that finally moves down to bronchial tubes.

I like you though have had a real shock to have so much mucous or phelm come down my throat to actually choke on it.

Yes. Sometimes out of nowhere and sometimes while eating and it doesn’t seem to be from the food itself but has concerned me that it could cause a real choking issue.

I have no problems eating or drinking. But in the middle of the night I have waked up spontaneously choking on "something" and gasping for breath.
It's scary for 20 seconds. It has happened a dozen times or more. I have never mentioned it to doctor.

That sounds like sleep apnea to me. You can get a sleep monitor that you use for 3 nights to see what is happening with snoring and breathing and oxygen levels.

I think it’s fairly common that we all do it at sone time but when it’s often then maybe you need omeprozone for indigestion or look at your diet for allergic reactions to maybe dairy or gluten

I also occasionally choke out of no where but it only happens when the pollen count is up.

I have GERD and take Omeprazole, but it doesn't help this condition of constant drainage, occasional coughing fits, congestion (for decades) and, lately, this out-of-the-blue choking and/or increased super-sensitivity to things going down my throat, possibly even going down - or just FEELING like they're going down - the wrong way.

I tried to treat allergies to dust, old, mildew, pollen decades ago when I moved from the east coast to Texas, but the allergy doctor's prescription for shots didn't make a difference, and I quit those after a year.

HOWEVER, I did just come across this mention on the Washington Post website, and if you can't link to it via this without a subscription, I think you can still sign up to check/search topics without a subscription. But there must be other articles on it - maybe even here on the Mayo Clinic website:
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https://www.washingtonpost.com/wellness/2023/11/07/lpr-hoarseness-throat-clearing-reflux/
[aka "laryngopharyngeal reflux"]

"Frequently overlooked, ‘silent reflux’ is treatable once diagnosed
By Janice Neumann
November 7, 2023 at 5:30 a.m. EST
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I hope this might help at least some. I'm going to bring it up with my new doctor I'm meeting for the 1st time this Tuesday - after my PCP of many years 'up and retired' with nothing but a "10-day notice" from his office.

Best to everyone.

Yes, the epiglottis. I remember my Dad having problems with it too. I find myself having trouble swallowing allergy related phlegm at night when I am lying down. I have to get up and drink water. A worn out epiglottis may be the cause.