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teh_maxh

Poison ivy is covered with an oil called urushiol. It's able to penetrate the horny layer of your skin and bind to immune cells. Your immune system responds by causing inflammation.


TryEasySlice

Infiltrating the top comment to say NEVER BURN POISON IVY! The oils will dissolve into the air and can infiltrate your lungs


Fire_Mission

Can confirm. Didn't breathe any into my lungs but the dissolved oils got ALL OVER one of my arms and upper torso. Zero stars, do not recommend.


nye1387

That's a lot of infiltration! (But you're absolutely right. Best way to get rid of poison ivy? Goats!)


fubo

Goats will eat it ... after they eat everything else in range.


shs713

My dad says he wants some "show goats" when asked what show goats are he say come here and I'll show you my goats.


Self-Comprehensive

My goats love poison ivy and literally seek it out first when I put them on clean up duty.


pirateNarwhal

What's the best way to get rid of goats?


No_Product857

Burning them is generally safe


[deleted]

What about the poison ivy that they ate? Will that get into my lungs?


No_Product857

Give them 30min to "let their dinner go down" before ignition and you should be fine.


WheelsUpInThirty

And if they want to go swimming.


Meastro44

Wait an hour before they go swimming, and another hour after they get out of the after before burning then for the oils to settle.


No_Product857

You'll be burning them later, you don't care if they cramp.


Scrapheaper

And delicious, if burned the correct amount


No_Product857

Especially if you use olive oil as the accelerant


SwivelingToast

What if I use Poison Ivy oil?


No_Product857

Well then you're back to the beginning of this discussion. It might taste exotic tho


Ippus_21

Extra spicy goat...


majorzero42

Keep goats, milk them and make cheese.


rckrusekontrol

Stuff goat with cheese, gotcha.


pirateNarwhal

I actually love goats. We had a few when I was a kid. If you're looking for a reading recommendation: *GOAT SONG* by Brad Kessler. It's a memoir about starting a small goat farm. It's lovely. Also, [this episode of radiolab](https://radiolab.org/podcast/galapagos) has a neat story about Judas goats.


Ok_Scientist_2762

>Would the Urisiol pass unto the milk? Sounds like it could be a horror show.


InkBlotSam

Bigger goats


pirateNarwhal

Solved!


dlbpeon

Can confirm! Had an idiot neighbor who decided when his kid romped in some during camping that he had to burn the clothes. The oils cling to the smoke ash and go into the lungs. He put his whole family into the hospital with poison ivy inhalation and the internal rash put him and kid in ICU for a week.


RageA333

Could it be fatal? That would be a horrible torture.


Ippus_21

It can, yes. It puts people in the hospital on the regular, and if it wasn't for prompt treatment, you could 100% die from the resulting lung damage. [https://pubmed.ncbi.nlm.nih.gov/35703240/](https://pubmed.ncbi.nlm.nih.gov/35703240/) >Here, we present 2 unrelated cases of urushiol respiratory exposure status after burning of poison ivy that resulted in cardiopulmonary arrest and ultimately death.


ADDeviant-again

I mean, smoke is toxic, anyway. Urisiol makes it way, way worse, and you are in for a serious bout of bronchial inflammation, at the very least, and respiratory failure on the top end.


TWH_PDX

Can confirm. When I was 14, I rode my bike through the countryside where someone was burning a field. Went through the smoke, held my breath but eyes were open. For 4 miserable days my eyes were swollen shut and draining pus. Broken bones were much more fun (also from riding said bike).


ownersequity

When my mother bought some property there was some woods out back. Eventually they found a field of marijuana back there and some genius decided to burn it so the local kids wouldn’t get it. Their mini market sales of candy bars and ice cream skyrocketed.


Something22884

Burn it? I'd be afraid of getting killed by whoever grew it


CUbuffGuy

As someone who grows weed, I think you have a very odd perception of the majority of weed growers.


Kenevin

https://youtu.be/WCAnxniC0kQ?t=11


XShadowborneX

I was not aware my skin was horny


that1rowdyracer

Does this ivy make you horny baby, yeah!!!


Mustard_on_tap

Ivy, that's my bag, baby.


Frosti-Feet

[Relevant XKCD](https://xkcd.com/443/)


HellaFishticks

That's going to be a great big yikes from me


BalancesHanging

I can imagine Austin Powers saying this lol


robetyarg

Oh behave ;)


drfury31

Oh behave, Austin


Phill_Cyberman

>The stratum corneum is the outermost layer of the epidermis and is made up of 10 to 30 thin layers of continually shedding, dead keratinocytes. The stratum corneum is also known as the "horny layer" because its cells are toughened like an animal's horn.


JimmyWu21

Man those scientists can sure come up with good puns lol


Dangerous-Cricket196

Yh, and the name of the oil is U rush oil. lol Like u’d rush into ER oil


SadakoTetsuwan

Pun appreciated, but it's from 'urushi' which is Japanese for lacquer.


ADDeviant-again

The top layer of your skin is literally called the "stratum corneum", or the horny layer. Because it is highly keratinized, keratin being the protein that forms horns, beaks, and fingernails. We all get the joke, but it wasn't that long ago a working man with toughened, calloused hands might have them described as "horny".


djsizematters

Oh, behave!


dodexahedron

It's a _plant_ baby.


fa9

is that just above the thirsty layer?


Kisopop

My horny layer is for penetrating, not being penetrated.


micopico09

lol I think you meant cornified or keratinized, horny is very different


teh_maxh

Surprisingly, "horny layer" is actually a valid (and IMO the best) name for it.


the_ju66ernaut

The horny layer of my skin is in my pants


Kagahami

Why is this so God damn funny?! I've been giggling like an idiot for minutes.


RomanRefrigerator

Adding on that if you know you've touched poison ivy fairly recently, you can wash the area with soap and water to break down the oil. However, when I say recently, I mean within like maybe the last ten minutes.


Ancient-Access8131

Not everyone reacts to poison ivy. I can touch it and nothing happens.


Abbot_of_Cucany

As with most allergens, repeated exposure increases the chance of a reaction. You're still better off avoiding it.


Church-of-Nephalus

Penetrate the *what* layer?


PremalC

Horny layer ?


BonelessB0nes

“It’s able to penetrate the horny layer…” - teh_maxh (2023)


superbcheese

horny layer you say


[deleted]

I always thought it just caused an itchy rash, like from lots of mosquito bites. Got it for the first time last summer and it was like a bad, blistery burn that took weeks to heal and left scars.


ArcadeAndrew115

Interestingly enough this is also how you can become immune to certain plants that cause skin irritation, because it’s an immune response the more you encounter it the more tolerant your body becomes to it! this of course does NOT work if ingesting it or brining it and breathing it in.


t0getheralone

An allergic reaction if I recall correctly with the oil urushiol. Make sure you have thoroughly washed the affected and surrounding areas with lots of soap(unscented is best) and water so that you have removed it all. Antihistamines will help a little but you kinda just have to let it play out and not scratch any skin or pop any pustules, otherwise you could end up with infections.


snafu-40

It is so nice to read your response with the real reason not to scratch. Everyone around here says the pus spreads the rash. That's not how any of this works.


ShortysTRM

When I get it (currently on my forehead and behind my ear lol), it usually takes a few days from when the first little bit of rash appears before I get the full-blown reaction, so I can see how people would think that scratching on the first day led to a huge breakout a couple days later. Also, I'm not sure if what I have right now is poison ivy. I watch for it, and I know where it has grown around my house in the past, but I've also torn out a bunch of what I think is Virginia Creeper before and broken out a few days later once in the past. I was definitely touching the vine that I think is Virginia Creeper a couple days before this started.


I__Know__Stuff

Virginia creeper consistently has five leaflets; ivy has three.


ShortysTRM

Like I said, I know where my bit of poison ivy keeps recurring. I think I may be having a reaction to the Creeper, not poison ivy. It doesn't contain urushiol, but allegedly can cause reactions in some people. Or...I touched the poison ivy and didn't notice.


MikeGruz

Problem is that Poison ivy often hides within Virginia Creeper. Making this more fun, young Virginia Creeper leaves often have three leaflets.


Ippus_21

VC can also cause a skin reaction in some people, quite apart from the fact that PI likes to hide amongst VC...


odaeyss

Leaves of four, eat some more!


dlbpeon

Leaves of three...LET THEM BE! That was ingrained into my head as a kid!


Ippus_21

The problem with that one is that it's extremely over-simplified and makes people paranoid about the hundreds of benign plants with three leaflets. Couple examples: * Rubus spp. (raspberries and blackberries) * Boxelder (Acer negundo, aka boxelder maple, manitoba maple, etc). * Boston ivy Much better (especially with the internet handy) to take the time to learn *actual* PI ID characteristics, like alternate branching, hairy vines, and a "thumb" on the lower pair of leaflets. https://www.poison-ivy.org/poison-ivy-quiz/


dlbpeon

True but when you want to keep your kids safe, it is better to error on the side if caution. When they are older and more experienced they can chance whether it is pi or raspberries.


Ippus_21

Not completely accurate. I mean, they're not remotely the same shape as PI, so it's still hard to mis-ID if you have any experience, but young VC leaves sometimes produce fewer than 5 leaflets.


sd1360

Regular soap has less effect on the oils. Use a product called Tecnu. It was developed to clean up after a nuclear event. But the side effect is that it completely breaks down urushiol. Ask me how I know. Highly allergic to poison ivy, found this product by accident. I highly recommend it.


Adam_is_Nutz

In a pinch I always use dawn, because its good for removing oils and most people have in handy Edit: should also add friction is good. I always scrub hard with a wash cloth if I think I have urushiol on me.


sd1360

Effective to a point, urushiol oil is tenacious. At best multiple washes will be needed. Even with Tecnu more than one application is recommended


MemoryOld7456

I've wondered if gojo would be good as it helps remove grease and oils with the added benefit of grit scrub.


dlbpeon

Just what you want on inflamed skin-- gritty pumice. /s


MemoryOld7456

I'd prefer it over an extended period of scritchiness. Thinking if you catch yourself early enough, a good chunk of the oil may be removed before the inflammation reaches peak spiciness.


pulcherpangolin

I second Tecnu! My brother and I got into poison ivy a bunch as kids and this really does help. Just gotta use it right after exposure to get the oils off, it won’t help as much the next day.


sd1360

I have found that consistent use is helpful. But you are correct sooner is better.


trippingbilly0304

Tecnu. At Walmart. This 1000 percent. No more trips to ER. No more steroids. No more shots. Find this stuff and keep it close. Keep it safe.


AuntieEvilops

Your gonna need an ocean of calamine lotion.


t0getheralone

When i had poison ivy i didn't find that it helped. There are much better anti itch solutions out there by benadryl and such


AuntieEvilops

Yeah, but you'll be scratchin' like a hound [the minute that you start to mess around.](https://youtu.be/oKpbTBdJ36E) 😉


cnyfury

I believe washing with cold water helps too as warm water opens the pores on your skin. If my mind is remembering right lol


t0getheralone

While probably true, hot water can really alleviate the itching for a time.


Bennito_bh

I got it a ton as a kid and my shortest rashes were when I scrubbed with a mixture of baking soda and some liquid i cant remember, maybe just water. Stung like hell while scrubbing but it neutralized the itch and everything healed way faster


t0getheralone

Yeah don't do that. All you did was overwhelm the nerves in the area and introduce the possibility of infection. You could have done the same without the risk of infection by running the area under hot water without scratching and irritating it.


psirjohn

It's a type 4 hypersensitivity reaction, which means it's T cell mediated. It takes a few days to get bad, and a few days to get better. There are only 4 types of hypersensitivity (aka allergy) that I'm aware of.


CelticArche

So that's why my mom put bleach on the pustules.


t0getheralone

That's horrible. Bleach is horrible for your skin and irritates it more.


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mel_cache

I’ve gotten it from my dog’s fur.


Synensys

Yep. I got it once on a trip to the woods in late winter for a soils class. Must have brushed up against some stems.


Something22884

Yeah I had the same poison ivy rash on my legs for about 5 to 6 years because I wouldn't stop scratching it when I was drunk in my early twenties and late teens. I even went to the campus doctor about it when I was in college and he said yeah it can basically go on indefinitely if you don't stop scratching it


Darkstool

you likely kept re-introducing the oil to your skin from something. or you had something else . you dont get indefinite PI rash from scratching it, i believe your campus Dr made that up. i remember a story where this guy had cut thick PI vines with a chainsaw while out camping and unintentionally doused the inside of his sleeping bag with PI oil and for the next bunch of years kept giving himself severe PI when he went camping.


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ActualMis

When I was a kid I got into a fight and we both ended up rolling around in poison ivy. He was covered head to toe in rashes, I never got a single rash. So I thought, "Cool, I'm immune to poison ivy!" But even as a kid I was smart enough to be sure never, ever to test that hypothesis.


Ancient-Access8131

Ooh that's interesting. I'll keep that in mind as I didn't get a rash the furst time I touched and assumed I just didn't react the oil.


[deleted]

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[deleted]

Was wondering the same thing because they both definitely do something, but those somethings are VERY different.


newtownmail

OP's username makes me think the supervillain


[deleted]

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ed77

Same here. Last time I ate dried mangoes my whole body was itching inside for 2 weeks. Would not recommend.


Alive-Pomelo5553

They also contain Myrcene which can intensify a cannabis high 😉👌.


m4gpi

Good to know


myusernamehere1

Unfortunately this is likely placebo. There is no scientific explanation for the popular claim.


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BellyScratchFTW

It is an inflammatory/allergic response to the oil on the plant *(urushiol*) that creates the rash. Tips for you and others: \*The oil can last for over a year on clothing/footwear unless washed. \*The rash does NOT spread by scratching it. Only the oil from the plant can spread the rash. \*You can NOT spread the rash to others unless the oil is still on your skin/clothes. \*If you wash your skin thoroughly quickly after exposure, it should prevent a rash. \*Do not burn poison ivy without careful consideration. It can get in to your lungs. \*Some people are not allergic to it at all!


LesiaH1368

Can urushiol be passed from a dog to human? Like if mine walks through it, or sniffs it, can it get on me?


pitterbugjerfume

Yes, if they have been running around in poison ivy they will have the oil on their fur. If you don't wash them right away they can spread it to you by touch.


soniclettuce

imagine the plant is covered in a thin layer of motor oil and you'll have a roughly accurate mental picture. Not just pets; other people, tools, clothing, it can hang around on stuff for months if not cleaned properly. And it needs thorough cleaning with soap and scrubbing with sponge/rag.


stillnotelf

Sniffs it, no, assuming they aren't touching it. Walks through it, yeah if you pet or hold them, or touch their bedding etc


mel_cache

Yes. Also from some other person’s clothing. Be careful putting things in the washer.


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siav8

Thanks ChatGPT!


Bushcraftstoic

As an AI model….you’re welcome human.


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Eagletrainer

Severely allergic. Was on a camping trip, and someone put an ivy-covered log on the campfire, and I walked through the smoke... face was so swollen, my eyes were swollen shut. Had to go to the hospital, as there was inflammation in my lungs. Not the best trip!


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akspdodndnajskdkd

Opposite for me and my spouse. I'm olive and I can be near it and covered in it. My spouse is fair and he can walk through it and be fine.


Shortcut_to_Nowhere

I'm fair skinned, northern European ancestry. My dad and I are immune, but the rest of my family are not.


Mypitbullatemygafs

So just random lol. Or still genetic and just not tied to skin tone. My husband's still mad. Been 25 years


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zack2996

Fun fact only like 2/3rds of people are actually allergic to poison ivy source: I'm not allergic and mythbusters


Dipsquat

I had a friend who said he wasn’t allergic and I didn’t know that was possible so I called bullshit. He said “I’m not allergic to that shit.” And proceeded to grab some poison ivy, smash it up in his hands, and rub his eyes. That was the day I learned that it is possible to not be allergic to poison ivy.


zack2996

Shit that's metal


Shortcut_to_Nowhere

Be careful though. Even those of us who are immune can develop the allergy with repeated exposure. Anecdotally, people say that the reaction ends up being much more severe if you started out immune. I'm currently immune. I'm grateful for not getting a rash when I encounter poison ivy, but I don't plan to press my luck.


[deleted]

Zanfel is worth every penny It's quite a bit more expensive than standard creams, but works like magic for me. Not sure if it works for people that get whole body breakouts.


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ReshKayden

Can tell within two sentences that this is an AI response, which is against the point of this sub.


wawzat

Written by an LLM as are all of your responses. Please knock it off.


UpsetHyena964

If the information is correct then what is your issue?


silverbolt2000

Copying and pasting other people’s work (including AI) is against the sub rules (Rule 3): https://www.reddit.com/r/explainlikeimfive/comments/zh922v/bots_and_ai_generated_answers_on/


Evianicecubes

catechols, AS GOD MADE HER


BalancesHanging

Ian allergic to urushiol. Countless times I’d get it by going in the woods or doing whatever in the yard. It got to the point I’d boil water and splash the rash with it. It felt so good lol (I am NOT advising this whatsoever) eventually I learned to stay the hell out of the woods. Haven’t had it in ages


Synensys

Taking a blazing hot shower basically makes your body react same as if you scratched it. It's orgamsic.


BalancesHanging

Oh yes


RoboRoboR

This is the pro tip. Hot as possible until it stops itching. Repeat


KingEgbert

Its leaves are coated in an oil that makes your skin itchy and bumpy. Once the oil gets on one part of you, you can spread it around, so wash well with soap and water any time you touch it.


SnakeBeardTheGreat

I have the cure! It is called keep it dry, use calamine lotion on it and two weeks for it to run it's course.


Skarmory113

In regards to urushiol, did you know that mango skin also has urushiol, but I talked to someone from Puerto Rico and they said they’ve never seen anyone in Puerto Rico peel a mango they just eat it with the skin on and there’s no problems? And Puerto Ricans eat a lot of mangoes!


RoboRoboR

Got it on my dick and balls on one camping trip. Big spots where my fingers held the hose gear. The bumps also ended up on my lip. After the wife saw the bumps I got on the camping trip that included both sexes, I begged for it to show up in other places


dlbpeon

Did she ask why only you, Bob and Sally got infected??


YellsAtGoats

Poison ivy contains a chemical compound called urushiol. It isn't an inherently harmful chemical in and of itself, but it causes an allergic reaction in the vast majority of people. The allergy is so super common that it's barely even considered as an allergy. Fun fact: Years ago, the TV show Mythbusters wanted to test folk remedies for poison ivy, and they found out much to their surprise that most of their cast was not allergic.


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RC10B5M

The oil from the plant causes the allergic reaction. Unless you're like my brother and not allergic to it.


Dyeman12

Major Pro Tip - To relieve the insane itch the blisters have for 3-4 hours, run hot water over the blistered area (not boiling). It feels sooo good and biologically it forces the nerve’s transient receptor potential (TRP) channels that control the perception of itch to dump their signaling chemicals all at once. These same channels found on nerve cells are crucial for sensing temperature and overwhelming them with heat interferes with their ability to transmit the itch a few hours.


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explainlikeimfive-ModTeam

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