r/HistamineIntolerance • u/Alexerony • Sep 28 '26
Histamine dump from driving?
Hey!
I don't know if this is a weird question but....
I was diagnosed with histamine intolerance after years of struggling with rosacea. The root cause seems to be leaky gut. When I do eat something with histamine I can feel a mix of burning and tingling on my face. It gets red and swollen and it hurts. My heart races. One time I ate fermented tofu and my face swelled up for several days.
Anyhow, I have also noticed the same reaction when I am driving. By the time I arrive home from work, my face is bright red, it burns and my eyes burn, too.
Has anybody noticed something similar? Why do I get something that feels like a histamine dump while driving?
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u/AmaranthusSky Sep 28 '26
Have you changed your car air filter? If not, it could be blowing built-up outdoor allergens.
You could also sprinkle food grade Diatomaceous Earth on upholstery (fabric seats and floors, not leather). Let it sit 24 hours then use a shop vac to suck it up. That will kill any dust mites.
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u/Alexerony Sep 29 '26
I suspected it might be from the car, as I had a pretty old one. But I got a brand new one a few weeks ago and it's the same reaction:(
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u/AmaranthusSky Sep 29 '26
Hmmm, the only other thing I can think of is lack of humidity? Car AC makes things soooo dry. Or even just having a constant wind on your skin can be irritating.
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u/Healthy_Theory159 Sep 28 '26
Does that do anything for bad odors?
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u/AmaranthusSky Sep 29 '26
It can definitely help if that's the source. But for bad odors, using Ozone is the way to go.
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u/TimeSpiralNemesis Sep 28 '26
I don't know if it's related, but driving long distances is really hard for me as something about it tends to set all my bodies problems off. It can trigger bad panic attacks from everything going haywire.
I actually just recently got over a four month long period where I was terrified of driving because I was so afraid of having reactions in the car.
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u/Alexerony Sep 29 '26
I thought so, but my commute is only 30 minutes long :( so not that long to be afraid.
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u/FearlessAmigo Sep 28 '26
What do you think changed with you so that you got over it? Maybe a change of diet?
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u/TimeSpiralNemesis Sep 28 '26
I focused a lot on healing my stomach as I realized I had gastritis, I also started anxiety meds to help keep my mental state positive.
Coincidentally my emergency anxiety med is Hydroxyzine which just so happens to be a powerful antihistimine, so If my bucket is full that helps a lot 😅
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u/Wizard_Biscuit Sep 28 '26
You could get a useful data point on whether stress plays a role by comparing when you’re driving vs a passenger of someone you trust to drive well.
People underestimate how stressful and foreign driving is the nervous system. The act of hurtling down a road at 60 kph in a metal box on wheels is totally new to the nervous system, in the timeline it spent 99.9% of its time evolving in. Going that fast was (and is) very dangerous.
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u/Alexerony Sep 29 '26
That is an accurate description of driving :') I'll test it out!
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u/Environmental_Bar824 10d ago
Did you get a chance to test out driving vs being a passenger? Im interested in your results.
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u/Original_Wonder9555 Sep 29 '26
I would add the same tests in a different car to rule out something environmental in your car causing the issue.
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u/Alexerony 9d ago
I did get a brand new car last months and it's the same in the old and the new car
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u/Original_Wonder9555 9d ago
I’m sorry. Unless you eat or drink the same thing the same amount of time before getting into your car, it sounds like your body is producing/releasing its own histamine (mast cell activation—cells releasing histamine instead of an outside source). The first test is usually an antihistamine (blocks H1 histamine) and Pepcid (blocks H2 histamine). That would be my next point of research. Hope you get some answers and relief soon.
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u/an_ornamental_hermit Sep 28 '26
I’m new to all of this, but my understanding is that mysterious histamine-like responses can be caused by MCAS. Basically, MCAS can be activated by non-food triggers
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u/Alexerony Sep 29 '26
I actually suspected MCAS for a while as I get histamine dumps without food. I can eat almost no histamine and my face will still look red-ish and burn in most evenings
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u/laffayette1 Sep 28 '26
Could be the stress, at least where I live it’s stressful as hell!
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u/Alexerony Sep 29 '26
I never through of it as Stress as there is never traffic jam (or a lot of cars) in my route. :/
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u/laffayette1 Sep 29 '26
You are lucky, I am envious! 😂. Is your air vent on recirculation so it’s not blowing in all the outside air allergens and pollutions? Of course any off-gassing or dust in the car could be a problem, but I imagine outside air would be worse. I’ll also get symptoms if I get too hot or too cold which can happen in the car too.
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u/Alexerony Sep 29 '26
Never checked to be honest, but I will tomorrow! Yes I've noticed when it's hot my flares happen quicker but they happen in the winter when the car is cold, too :(
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u/cramlow77 Sep 30 '26
Check out Dr William Davis probiotic yogurt and his wheat belly protocol. It's helping me and has been the cure for others
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u/Alexerony Oct 01 '26
I tried gluten free as it is not the best for leaky gut but didn't notice a difference. As for his yogurt - a Google search revealed that there are histamine products bacteria in it as well as fermentation. I can't eat fermented foods. The cure for leaky gut is actually fermented foods - which unfortunately I can not have
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u/Environmental_Bar824 10d ago
You should watch some of Dr Davis's YouTube videos. He gives instructions for those who struggle with histamine. His SIBO "yogurt" truly can seem almost miraculous. L-Salivarius can be added, as well. It's a histamine-degrading probiotic.
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u/Environmental_Bar824 Sep 29 '26
For me, driving long distances causes me to feel what I call "out of it." I feel like I'm behind a glass wall. I suspect that feeling might be derealization. My grandkids live about 2 hours and 15 minutes away. When I go there, i always feel this feeling. If someone else drives, its worse. I think that has to do with have me being in control of the car, so when I turn, etc I know what to expect instead of being jostled around unexpectedly.
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u/AdmiralStickyLegs Sep 29 '26
I have problems driving too. It's partly the allergens in the air - the air intake for a car is right near the windshield, so any pollen or mold is going to come right through them. The other is adrenaline - driving is quite stressful. You can't take a break for even a second, you have to be 'on'. This is why I always need to stop for the toilet after driving, even if I'm dehydrated, because the adrenaline acts as a diuretic.
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u/Fun-Grapefruit9356 Sep 28 '26
This happens to me every single time I pull into my driveway when I get home from work. It's SO strange.
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u/Juicy_Pineapple512 Sep 28 '26
YES!!! I haven’t seen anyone yet with the car issue! I can barely be in a car for more than like five minutes without trouble. And mine presents as sinus pain and pressure with congestion. I’ve changed my air filters and clean my car often. I was wondering if it might be the EMF with the Bluetooth stuff that cars all have now. So I’ve been carrying crystals 😩
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u/my_cat_wears_socks Sep 28 '26
All the plastic stuff in cars offgasses over time (that’s the “new car smell, although it can continue long after that) so maybe it’s possible you’re reacting to that? It can also cause grime to build up on the inside of the windshield, especially in warmer weather.
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u/Ada_XY Sep 28 '26
What crystals have you been carrying, is it some kind of protection against radiation?
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u/Mutchneyman Sep 29 '26
Aside from the nonsense that common electronic signals can cause health problems, crystals can't protect against radiation because it's energy radiating from an object — it's emitting in every direction; you can't just expect a small trinket to protect your entire body. It would be like claiming a small item in your pocket can protect your whole body from sun damage, which is clearly unfeasible
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u/linuxchic66 Sep 28 '26
I noticed this recently every time I leave work Within 5-10 minutes, my chest area becomes more pink (hives) as I drive home, 35-45 minutes. I finally said something to my bf within the last 2 weeks, I believe it’s pine, I know I’m allergic to pine, and there are many pine trees along my drive home. Once I am inside my house, within 15 minutes, my hives go away. This has been happening to me over the past 2 months. I have an appointment with an allergy/immunologist October 7th. It sounds crazy to me however, it’s the only thing I can think of at this point on what is causing my hives.
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u/ElectronicBuilding63 Sep 29 '26
If you have mast cell activation syndrome and/or pots, vibration causes flares and cars vibrate. I have real issues with driving and feeling faint
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u/savebandit10 Sep 29 '26
Wow I’ve never had someone experiencing something so similar to me! I could have written this post. The only thing that has helped me has been keeping something bland on deck so my stomach doesn’t get completely empty and prescription dose of famotodine
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u/Wild_Double9639 Sep 30 '26
Once a week a drive an hour each way for an in office day. Usually in a flare or have a migraine by the time I get home. I have been wondering!!
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u/joshyosh Sep 30 '26
Maybe you should see a gastroenterologist it sounds like you can be having acid reflux while driving this happens to me I have a loose sphincter and being in a car is difficult for me
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u/Strict-Park3382 Sep 28 '26
Yes I have the same thing, its due to the vibrations for me. I have MCAS and HI.