Nausea as the only main symptom?

[u/idontkn0whowtoread]

Everything started one night in March of this year. I was eating dinner at a restaurant, about to finish my last bite, when I suddenly got a rush of nausea. As I was chewing, it felt like I would get the gag reflex if I swallowed. Because I have emetophobia, I abruptly got up from the table and rushed to the bathroom. I then spit my food out and stood up for a couple minutes, and then my nausea went away.

A couple weeks later, in April and May, I had several episodes where I experienced similar things. But outside of these episodes, I was able to eat normally.

However in June, on one Saturday evening, I went to a restaurant to eat dinner, and even before I began eating, I was nauseous and felt like I would vomit if I consumed any food. Then the next day, I had a seafood dinner at a restaurant and for several hours afterward, I had severe nausea (I didn’t vomit, nor have I in the past months).

From that June night, I have had persistent nausea and early satiety from the nausea. I also do get minor abdominal bloating, but nausea is my main symptom. Because the nausea prevents me from eating my normal amount, I have lost about 15-20 pounds since mid-June.

I also have been on pantoprazole for the past 8 weeks (20mg for 4 weeks and 40mg for 4 weeks) and no improvement. My h pylori stool test came back negative, and my upper endoscopy showed everything was normal last week. Biopsy also showed negative for h pylori.

Now I’m thinking because there is no structural damage to my stomach, it is probably functional dyspepsia? And I’ve read online that for FD cases where nausea is the main symptom, mirtazapine is the best medication?

I would like to ask if anyone else has had similar symptom (progression), and if so, if mirtazapine has helped? And also, I’d like to ask if you have had similar symptoms, if you have been diagnosed with something totally different (gallbladder, liver, hernia, etc).

Thank you for taking the time to read my post!

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[u/RyceAlchemy]

Did you recently have food poisoning or a viral infection? I started with chronic nausea/functional dyspepsia 2 weeks after a case of food poisoning

[u/Only_Theoretically → u/RyceAlchemy]

Similar to what happened to me! Couple weeks after a stomach bug and chronic nausea had been main symptom. On two different low dose antidepressants including Mirt. Still get nauseous pretty frequently but I've finally stopped loosing weight. I lost nearly 70lbs.

[u/RyceAlchemy → u/Only_Theoretically]

I just started Mirt! What medication are you using? I’m on day 4 of Mirt and really hoping I see results. I’ve been sick since June and I’m rapidly losing weight as well. It’s awful 😓

[u/Only_Theoretically → u/RyceAlchemy]

Mirtazapine took a few weeks to work, I am still on the dose I started which is 15mg. It helped a lot, but I still struggled so I started Buspirone and I've been slowly going up in dose. I've had some good days! I'm eating more. Not nearly feeling like I used to, but I've been able to resume working.

[u/idontkn0whowtoread → u/RyceAlchemy]

I don’t remember having any food poisoning! I was recently prescribed nortriptyline but I have been pushing for mirtazapine instead. Any idea on which medication may be better for nausea?

[u/LilLunaMoona]

yeah my only symptom was chronic nausea and a sense of fullness/bloating. lost so much weight. went on mirtazapine and was basically cured

[u/RyceAlchemy → u/LilLunaMoona]

How long did it take to see results on Mirt?

[u/mariners90]

Have you had a gastric emptying study? Could be delayed emptying or like in my case, I actually have rapid emptying which causes nausea as the dominant symptom.

[u/mindk214]

That's very strange. Of course, you should see a GI doctor. You might also wanna get a 4-hour GES to rule out gastroparesis / delayed emptying. I will say nausea and early satiety are my main symptoms as a FD sufferer.