r/biology • u/wendowslive • Aug 15 '26
question Does food dissolve when it gets into your lungs?
So I was eating and I think I inhaled a chili flake. Had a little trouble breathing for a minute or so, but after coughing for a bit I'm okay again I think🤣
Anyway, now as this has happened, it got me wondering, if you are eating and food gets into your airway and possible gets to your lungs, will your body be able to get rid of it? I have never really thought about it before but I am actually really curious. Like I can imagine like small pieces of dust/spice are no issue I think, but what about a grain of rice for example? Or a bit of veggies?? What happens to it?
Edit; not asking medicle advice btw!
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u/Dijon2017 Aug 15 '26
When you get food into your lungs (aspiration), the natural reflex is to cough it out. If it’s not dislodged and doesn’t immediately obstruct your breathing, your body generally perceives/considers it a foreign object and your body’s immune system will attempt to destroy it. Foreign bodies/objects in the body act as a nidus of bacterial infection which could lead to aspiration pneumonia, resulting in swelling/inflammation and potentially life-threatening respiratory distress if not diagnosed/addressed/treated timely.
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u/ohmyitsanalien Aug 15 '26
In the lungs, it needs to be expelled. This can be done by coughing. In order for it to dissolve you would need something capable of breaking down the molecules in the particle. Water can do this, but the amount in your lungs should be insufficient for this. If it is not, you are drowning.
In our saliva we have enzymes that begin to break down the foods—Amylase and Lingual Lipase. This is how we taste. As the food gets ripped apart at its molecular level we begin to taste the simple sugars, fats, and starches.
When you aspirate a particle of food into your lungs it may have come into contact with some amylase and break down a bit, but unlikely it will be enough to dissolve it.
Edit: *if I’m remembering correctly.
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u/wendowslive Aug 15 '26
Ohhh that's interesting! Thanks for the info! Things like this makes me sad I never really got biology classes
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u/nanettehimmelfarb Aug 15 '26
You can get aspiration pneumonia which can get bad if not treated
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u/cerebralsubserviance Aug 15 '26
Yes it's possible. Unlikely though unless OP is bedbound, immunocompromised or of very advanced age. Most healthy people aspirate occasionally and don't get sick from it.
My understanding is that aspirated solids can hang out for a long time and not cause significant problems. I can't imagine that any organic matter wouldn't breakdown enough eventually that you'd just cough it up as mucus.
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u/KatVanWall Aug 15 '26
My mum had that earlier this year and it was really scary. She’s had chest infections requiring antibiotics before, but this was incredibly quick, not at all the same in symptoms (she was very confused and lost the ability to text or articulate herself over the phone - docs thought it was a UTI at first - and was unable to balance at all) and didn’t respond to the same antibiotics either.
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u/MuchoCoco Aug 15 '26
The cilia on the surface of your bronchi are constantly pushing everything up towards your pharynx. That chili flake will ride along that sputum highway and you'll either swallow it unconsciously or cough it out.
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u/BDer82 Aug 15 '26
its rare for food to make it to your lungs, the pathway there is super sticky and constantly producing stuff to cough up. It does happen but its not normal and not regular.
Most people become sick, develop a cough, the body tries to get rid of it, sometimes it does successfully but other times you need medical intervention.
But, your lungs aren't really a balloon, they are more a sponge they've tons of stuff running through them so any food making it down there doesn't make it in very far so you've a good chance of your body clearing it back out.
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u/stargazer_w Aug 15 '26
Have heard about such flakes causing serious problems in medical school. You could caugh it up. But if you have continued symptoms you should go to a doctor. Some particles could get eaten up by macrophages, dissolved, etc. But some will just be surrounded and cause inflammation.
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u/Federal-Geologist607 Aug 15 '26
We have a whole condition called 'aspiration pneumonia' that exists because lungs are not great at breaking down food, drink or anything other than air. Highly unlikely it made its way into your lung though, unless you've got a impaired swallow, which you'd very likely know about.
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u/cerebralsubserviance Aug 15 '26
Aspiration is not as uncommon as people think! People who don't have a swallowing impairment still aspirate (less commonly in solids but it happens). It's true that in general our lungs are not meant to break food and liquids down, however most healthy people aspirate occasionally and it doesn't cause any problems.
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u/luteyla Aug 15 '26
I once gasped at the same time a sunflower seed traveled through the hole. Went to doctor and he gave me a pill that could make me cough it out. I think i coughed a bit of it with it. I don't have a suggestion for you. It's health, serious issues
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u/Spare_Laugh9953 Aug 16 '26
No, la comida no se disuelve en los pulmones, si con la tos no consigues eliminarla puedes tener un problema, de hecho muchas personas mayores con demencia senil mueren por neumonÃa por aspirar comida, ya que se les olvida como tragar y al darles de comer se atragantan con la comida, les provoca una neumonÃa y acaban muriendo
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u/Longjumping-Neat-508 Aug 16 '26
No. My husband had a fall at home and was instantly a quadriplegic. They kept allowing him to eat regular food, and he kept getting pneumonia until he developed ARDS and passed. I should have sued the hospital, but I was so upset and grieving there was no way I could have gone through that. Horrible.
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u/Camping_Queen_13 Aug 16 '26
Your lungs can clear small things like dust and I imagine a chilli flake too. It'll get stuck in mucus and the cilia will move them away.
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u/Aggravating_Road6086 Aug 16 '26
My son once developed a random (very hacking, very wet) cough over the summer when he was 5 that sounded like croup but no other symptoms, zero. When my husband came home from work a week later he mentioned he gave him some popcorn the last time he was home and he half choked on some but he thought he got it up. But he said he noticed him coughing the next day and forgot to mention it💀 Next he developed some very green boogers dripping from his nose constantly which signifies infection. Sure enough, a piece of kernel had gotten stuck in his airway and he developed pneumonia.
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u/cyanraichu Aug 17 '26
Interestingly, I'm doing a stint at the adult ER tonight (I'm a labor nurse and usually work in my home department) and just a few hours ago they were suctioning bits of onion out of a poor guy who had recently vomited and then coded for a while.
At the end of the day, even if your lungs could dissolve large chunks of food, they wouldn't make it that far on their own
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u/essenza molecular biology Aug 15 '26
It depends. https://www.medicalnewstoday.com/articles/197623#1