Hi Daisie,
It started last April with throat clearing, wheezing, sore throat, bit of a cough, hoarse voice, post nasal drip, sore ears (inside, behind eardrums) and pressure on my chest- felt like an elephant was sitting on it. But I have never had heartburn or acid in my mouth.
I actually thought it was early seasonal asthma so was using my inhaler. Didn’t help, stuck it out for a few months, then in October I had had enough and phoned the GP. She gave me a peak flow meter, peak flow of 550 (I run) so not asthma. She diagnosed silent reflux and prescribed omeprazole, I didn’t take it for a few months, used Gaviscon advance as a few studies of links between Covid and poor outcomes with omeprazole usage. Finally went onto omeprazole in February. Symptoms much improved but still pressure on chest, albeit reduced, bit mucousy, little bit wheezy, take 20mg in the morning and a swig of gaviscon before bed. I follow all the advice, tilted bed, nothing after 6pm, nothing spicy, no alcohol etc etc. 
I’d probably be ok if it wasn’t for this silent reflux. And I admit I’m a little concerned about long term effects of both omeprazole and reflux. I’m speaking to my GP next week and I’m going to ask for an endoscopy, just to see what’s going on. 
Sorry, that reads like a novel!😂