Does anyone else experience having a tight feeling in the throat that can last for hours to days?

Just wondering if anyone else has shortness of breath caused by anxiety? I’ve been going through a really tough three months anxiety wise (POTS flareup; grief; migraines; panic attacks etc etc). Two days ago a new symptom appeared and it’s knocked me. Shortness of breath 😭 bc I’ve got POTS I’ve had a lot of heart tests done (multiple ECGS, 24 hour holter monitor) which all came back fine apart from the obvious tachycardia that comes with POTS. I had an echocardiogram done on Monday but no results back yet, but I had a consultation with my doctor yesterday and she said that’s probably good news bc they don’t mess around when it comes to your heart. And also my doctor has urgently referred me to a mental health team for therapy bc I basically broke down on the phone to her. One thing I’m mostly panicking about is this shortness of breath. I’ve had it with panic attacks before but this is mainly anxiety riddled feels like my breathing is too noticeable/wheezy without actually PHYSICALLY being wheezy. I’ve done my oxygen and it always stays between 97-99% so I know I’m getting enough oxygen but it does not feel that way and it’s so scary !! I also had a clear chest xray about ten months ago. Idk I feel like I’m just spending every day scanning my body because it feels OFF. Then I’ll finally relax JUST before I fall asleep and all my symptoms disappear. Then I wake up, have a nice 20 seconds before I start scanning again. It’s exhausting. Just looking for some support :(

i’m not trying to ask for reassurance but is this ocd? I’ve had religious OCD Harlow city and pure OCD before and I’m still going through it but basically today I was putting on lipgloss and it got into my mouth and it was like a overwhelming flavor. It tasted gross and then I choked on my spit and I have a sore throat right now, but I choked on my spit and ever since that it feels like there’s so much saliva in my mouth and it feels like hard to like catch my breath like the feeling you get when you’re like, gasping for air after choking that’s kinda how I’m feeling without like the gasping part but it just feels like I’m like swallowing on command and I’ve had like breathing fixation before so I don’t know if this is just like fixating on my swallowing but it’s bothering me and I don’t know if it’s cause I have a sore throat but yeah basically kind of feels like I’m drowning like inside my mouth like there’s just like so much saliva in my mouth and like I have to swallow like every second and I just feel like I can’t breathe when I swallow for some reason kinda

Has anyone taken sertaline/Zoloft and experienced chest tightness? wanting to throw up a bit, muscle twitches or just a weird feeling in muscles. sleeping issues, loss of appetite, sweating, headaches. I've been to my psychiatrist yesterday but I felt I didn't provide enough details about how the meds actually went and it's really bothering me that I didn't so I'm not sure what to do now and I'm nervous about some of these side effects. I have a feeling I don't want to continue on the meds but he told me to continue and prescribed me something else to increase my focus as well (I have adhd) any help? Are these side effects normal like should I wait and it'll be fine or not?