https://theconversation.com/hay-fever-antihistamines-and-the-evidence-on-dementia-risk-283306. "More recent #evidence is reassuring. A #nationwide #study found no evidence that prolonged use of second-generation #antihistamines increased #dementia #risk. The #research does not suggest that occasional use of a newer, less #sedating #antihistamine causes dementia." See: https://www.jaci-inpractice.org/article/S2213-2198(25)00954-7/abstract (abstract & refs. only).
Hay fever, antihistamines and the evidence on dementia risk

Recent headlines have raised concerns about allergy tablets. The evidence is more nuanced than it first appears.

The Conversation
@killer_rabbit90 It's certainly made mine worse! It costs me a fortune in #antihistamine pills - maybe Sanofi & other #pharmaceutical #companies want to promote #climatechange so they can make more #profits! The #industry relies heavily on oil, see: https://pmc.ncbi.nlm.nih.gov/articles/PMC3154246/.
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scored 200 fexofenadine tabs for $20, always buy allergy meds in the dead of winter if you can

sadly, that's only a 2-month supply. I take 540mg a day during grass pollen season, or I'd be wholly incapacitated.

I used to take certirizine until I re-started a certain psych med and found the combo gives me dementia-like symptoms, lost a whole summer to that! turns out cetirizine has the highest brain penetration of the "non-drowsy" #antihistamine meds, and fexofenadine the lowest.

What all the cool kids are doing now: #tripping on mega doses (12-14 pills) of Benadryl.
It’s an #antihistamine that’s been around for a long while. I’ve taken it for 60+ years for seasonal allergies. A couple times while in hospital I’ve been given it as a sleep aid. Never occurred to me to try tripping on it. Classed as a deliriant. Weirdly, kids report having very similar hallucinations: a tall shadowy man dressed all in black w/ a black hat.

Poison center calls for Benadryl (diphenhydramine) jumped from 4,618 in 2020 to 5,960 in 2023. The rise ties to its antihistamine use, deliriant effects, and growing awareness in pediatrics. What does this mean for consumers and Kenvue? Dive into the data and implications. #Benadryl #diphenhydramine #antihistamine #deliriants

🔗 https://aidailypost.com/news/benadryl-poison-reports-rise-from-4618-2020-5960-2023

@Lydie

Interesting and possibly related to the underlying protective action shown in this earlier phase 3 study. I’ve been taking loratadine daily for the last year.

Research showing Antihistamine drugs can potentially prevent SARS-CoV-2 infection. These include generation 2 antihistamines like loratadine (Claritin) and desloratadine (Clarinex), which have much less side-effects.

https://journals.asm.org/doi/10.1128/mbio.01088-24

#covid #antihistamine

I can imagine sales of over-the-counter #antihistamine sprays going through the roof in the US, after #RFKJr effectively axed #covid #vaccines

As someone suffering from #LongCovid & having to #mask up indoors, this could be a lifechanger, like giving me the opportunity to go in restaurants again.

https://www.nbcnews.com/health/health-news/covid-infection-may-prevented-common-nasal-antihistamine-spray-trial-s-rcna228500

@longcovid

Covid infection may be prevented with a common nasal antihistamine spray, trial shows

The over-the-counter antihistamine works against a range of respiratory infections, including Covid, flu and RSV, according to researchers.

NBC News

It’s one of those days. The pollen count is sky-high, your nose won’t stop running, and your eyes are so itchy and watery you can barely see straight. #allergyrelief #antihistamine #cetirizine #hayfever #hives #Zyrtec

https://priya.health/cetirizine-4/

Cetirizine: Taming Your Allergy Symptoms

Learn about Cetirizine, an antihistamine used to treat allergy symptoms like sneezing, itchy eyes, and hives. Understand its uses, side effects, and interactions.

Health With Priya

Fuck my #allergies fuck #pollen
I love spring but damn even on multiple #antihistamine medications and doubling the dosage (on my doctor's advice) I still feel like shit 

Hopefully by the end of may I'll feel like a human being again instead of a ball of pain and snot.
#MCAS #autoimmunedisease

By 2019 popular non prescription #heartburn #medication #Zantac was recalled from retail after it was found to contain an #antihistamine that blocks the release of stomach acid called N-nitrosodimethylamine (#NDMA) that is linked to causing #cancer.

#Drug Mfgr #GSK has reached $2.2bn #legalsettlement in US that is supposed to cover 93% of user cases brought thus far.

Previously #GlaxoSmithKline had paid $70m to settle with the lab that discovered the issue, and other big #drugmakers that also marketed the #OTC drug, including #Pfizer and #Sanofi, have already reached sizable settlements.

https://on.ft.com/4eBVq5g #FinancialTimes #GiftLink #Legal #ProductLiability

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