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Has anyone herxed after taking Quercetin?

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Posted 3/20/2020 7:19 PM (GMT 0)
Hi,

Has anyone herxed after taking Quercetin? I started having post nasal drip, burning mouth, and scratchy throat (but no fever or cough) about five days ago so I thought I would try Quercetin. I started it three days ago (it was my first time taking it and taking 500mg twice a day) and it did help with my scratchy throat and burning mouth but starting last night my sternum area really hurts and I am getting chest pains and I have chills and occasional cough and sneeze but still no fever or difficulty breathing.

I am one of the sensitive ones that reacts strongly to a lot of meds and herbs and do have bad herxes. Could this be a herx? I am hoping this is a herx as I was on a plane last week so I am wondering if by chance this may actually be covid19.
Posted 3/20/2020 7:38 PM (GMT 0)
Re: Covid - there should be a phone number you can call.

(Although it wasn’t very helpful in my husbands case - guess he wasn’t bad enough)
Posted 3/20/2020 7:52 PM (GMT 0)
Thanks Girlie for your reply. I am aware of the phone number but I have heard you have to be pretty sick before they will test you. I am not that sick...just weird symptoms and chest pain slightly concerning so I will hold off calling for now. I am just hoping to hear other people get herx symptoms when they take Quercitin as my chest pain does feel a little bartonellaish.

Is your husband feeling any better? I hope so.
Posted 3/20/2020 8:14 PM (GMT 0)
Never herxed from quercetin, and have not heard of others doing so. Some people have slightly increased MCAS symptoms temporarily when they first start taking it, but your symptoms don't quite sound like MCAS. It sounds more like you have a bug to me. Keep in mind that in most places regular colds and flus are still more common than COVID-19, but it's worth calling your doctor. It can't hurt to call.
Posted 3/20/2020 8:16 PM (GMT 0)
He was feeling a bit better last night but today not so good.

He says it feels like there’s weight on his chest.
Has a cough and is tired.

He is doing his best to not pass it to me.

We now have separate beds and bathrooms.
I am constantly washing my hands, not touching my face etc.
Posted 3/20/2020 8:17 PM (GMT 0)
I should add that I had a cold a few weeks ago with a low fever, chills, some congestion and sneezing, and it started with a few days of sore throat before the other symptoms. One of the weirdest parts was that as I recovered I felt like several of my ribs had been dislocated - just crazy rib pain in multiple locations. I never had a cough or trouble breathing, but it seemed strange to me, and it seems stranger now reading your experience! Maybe it's just a thing that's going around.
Posted 3/20/2020 9:04 PM (GMT 0)
Sarareli, thanks for your replies. Girlie, I hope your husband feels better soon.
Posted 3/20/2020 10:27 PM (GMT 0)
Not herxed from quercetin, and I herx from lots of stuff. Does sound a lot like COVID or flu.
Posted 3/22/2020 8:04 AM (GMT 0)
quercetin, believe it or not, may have some action against coronavirus

https://www.cbc.ca/radio/thecurrent/the-current-for-feb-28-2020-1.5479561/as-coronavirus-spread-speeds-up-montreal-researchers-will-trial-an-anti-viral-treatment-for-covid-19-in-china-1.5480134

although i am a bit skeptical because quercetin is very quickly metabolized, and is poorly absorbed orally
Posted 3/24/2020 4:47 PM (GMT 0)
im taking quercentin daily, on empty stomach. never herxed on it alone. however u will herx if u have lyme, what ever u take or not, because your immune system will attack the bacteria regularily. so it can be greatly misleading. if at that time u take some drug, tincture or herb, it will feel like it's the cause of the herx. in most cases it is not.
Posted 4/15/2021 1:46 PM (GMT 0)
I herx from Quercetin. It's antibacterial. I have mast cell and flare from anything that kills bacteria, or boosts the immune system. One of my symptoms when I herx is tight chest muscles.
Posted 4/15/2021 10:04 PM (GMT 0)
Quercetin gives me really bad headaches.
Posted 4/16/2021 12:21 AM (GMT 0)
When I was taking Quercetin - I ended up with bruised toes.
I never banged them - so I blamed the Quercetin.
I stopped the Quercetin.

I should try it again - as I believe it was helping with what I thought are MCAS symptoms,
Posted 4/16/2021 1:19 AM (GMT 0)
I've had zero problems with quercetin. But, no obvious benefits, either.
Posted 4/16/2021 10:42 AM (GMT 0)
https://pubmed.ncbi.nlm.nih.gov/20466049/
Posted 4/16/2021 1:25 PM (GMT 0)
I reacted some when taking it in the beginning. Now I can take 2 tablets a day with no problems and for me, it helps a lot with calming my whole system. It’s one of the most important supplements I take as it helps my MCAS.
Posted 4/16/2021 3:11 PM (GMT 0)

Girlie said...
When I was taking Quercetin - I ended up with bruised toes.
I never banged them - so I blamed the Quercetin.
I stopped the Quercetin.

I should try it again - as I believe it was helping with what I thought are MCAS symptoms,

maybe it was "Bart Toes" - apparently its a thing - similar to how some viruses give bruised looking or blistered toes - much like "COVID toes"
Posted 4/16/2021 4:13 PM (GMT 0)
I only had that happen to my toes that one time though and I had Bart for a long time
Posted 1/18/2023 8:31 PM (GMT 0)
I have Lyme and now I started taking quercetin phytosome from Thorne 4 pieces of 250 mg daily and i am having headaches and Diarrhea and strong tremors . i have bartonella and Babesia. but the DR is trying this for mass cell activation . do you thing there is a problem with the quercetin phytosome or i took too a high dose. but i thought quercetin phytosome can not cause any issues. i have a feeling the antioxidant is anti bacterial and causing a strong herx but not sure. can anyone help me out with this? please i am scared.
Posted 1/18/2023 11:24 PM (GMT 0)
Sometimes people have a slight uptick in symptoms when they first take a mast cell stabilizer, but usually they subside in a few days. If you feel very bad, though, then I would say stop the quercetin and try one of the many other mast cell stabilizers. No reason to push through with quercetin when you could take something else. Maybe you could try quercetin again in the future at a lower dose to begin.
Posted 1/18/2023 11:52 PM (GMT 0)
Saraeli thanks for responding. Do you think I should reduce the dosage from 4 pieces a day to 2 pieces a day? if I have headaches diarrhea and tremors ? Do you think the symptoms will go away after a week or two? What else works for mast cell stabilizers? I saw on the internet that quercetin has anti viral properties and maybe its Killing Lyme or co infections and its a Herx. Thanks again.
Posted 1/19/2023 12:53 AM (GMT 0)
I would reduce to one capsule per day if you want to continue taking it.

Has anything else in your regimen or diet changed? Have you been exposed to anything that tends to trigger your mast cells (exertion, stress, mold, allergens, smoke, heat, shivering, high-histamine food, estrogen increases, etc.)?

Alternative mast cell stabilizers include:
Stinging nettles
Curcumin
DAO
Vitamin C
Magnesium
Rx ketotifen
Rx cromolyn sodium
H1 blocker antihistamines (Claritin, Zyrtec, etc.)
H2 blocker antihistamines (Zantac, Pepsid, etc.)
Xyzal
Holy basil
Milk thistle
L-theanine
Baikal skullcap
Licorice
Posted 1/27/2023 12:40 AM (GMT 0)
Do you know your genetic makeup? COMT +/+ people can’t break down some neurotransmitters, and Quercetin almost promotes growth of those neurotransmitters…
Posted 1/27/2023 7:18 AM (GMT 0)

Jube24 said...
Do you know your genetic makeup? COMT +/+ people can’t break down some neurotransmitters, and Quercetin almost promotes growth of those neurotransmitters…

Hi Jibe24 - welcome to the forum.
Feel free to start your own thread and tell us your Lyme “story” (if you want to)
Posted 1/30/2023 7:42 AM (GMT 0)
I know this is an old thread and not sure I'm answering the newer question from SamBernie, but just to add to this conversation - I read recently that bromelain can be used to break down biofilms. Since quercetin is often formulated with bromelain, theoretically it's possible some folks could experience a herx reaction from that. I doubt it would be the actual quercetin since it's not an antimicrobial or biofilm agent on its own.
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