This is some of the most useful information I've received in a while. Like the author, the low overdose threshold of acetaminophen made me avoid it, even though I always take low doses anyway and ibuprofen gives me acid reflux almost every time.

My father, who is otherwise in very good health for a ~60 year old, has severely reduced kidney function from taking an ibuprofen+antihistamine most days of his early life to deal with allergies.

I'll second the claim that no doctor at any point in his life had told him the risks of doing that, and many encouraged the use of ibuprofen over any other alternative (including the alternative of not using OTC painkillers every single day).

Acetaminophen (paracetamol) is the drug of first choice for addressing pain and fever, in India at least. To the extent that it's regularly abused, and I know people who have been hospitalized because of abuse.

Even then, doctors are usually disapproving of ibuprofen (or some combination of it with paracetamol) unless paracetamol is contraindicated for some reason, and I had always wondered why.

I went from introvert only-child to married with kids. As they hit daycare, I was perpetually riddled with disease for about 15 months. I still had to take care of the kids though, so I was liberally taking Ibuprofen. At some point, I started to get horrible heartburn. I tried all kinds of dietary restrictions until I realized it was probably the Ibuprofen. Now, if I take even one pill, the heartburn comes back. I switched to Acetaminophen and found it was much more effective at reducing fever with no apparent side effects.

I've known people who've overdosed on Tylenol and died. I'm not saying that ibuprofen won't give you acid reflux and won't damage your kidneys, but due to <reason> I tend to take a lot of ibuprofen and also for <reason> take another medication that constricts my arteries and for <reason> get a lot of blood/urine work done... and my kidney function is good and despite everything I'm generally healthy. So I would say, like many things, what medicines you take probably depend on your specific body and situation. Regardless, you won't die accidentally from an acute ibuprofen overdose. You just might die from taking tylenol if you don't realize your liver is already damaged for other reasons. So there you go!

I created this open-source application (https://alexcpn-faers-signal-detection.hf.space/) to analyse the FDA FAERS data set a few weeks back, just to do some good work and use Claude Code completely. I got roasted on Reddit for attempting this. But this is meant for specialists to use, as most platforms that analyse this data charge a lot from what I read.

FDA FAERS is the official dataset for reporting Adverse events from taking a drug. FDA adverse event reports about 2 million cases and 4,067 unique drugs

I agree the results are not easy for non medical professionals to interpret correctly. For example DEATH is very strong with Parecetemol and so is DEPENDECE. The latter because from AI it is a confounding factor. Acetaminophen/parecetemol is frequently co-formulated with opioids (like Hydrocodone or Codeine). The "Dependence" signal is likely attributed to the opioid, not the Acetaminophen itself...

Adverse Event Acetaminophen PRR (95% CI) Acetaminophen n ibuprofen PRR (95% CI) ibuprofen n ACUTE KIDNEY INJURY 0.87 (0.80-0.96) 498 4.27 (3.91-4.67) * 483 ANAPHYLACTIC REACTION 0.61 (0.51-0.72) 122 9.85 (8.90-10.90) * 382 ANGIOEDEMA 1.31 (1.13-1.53) 170 15.26 (13.77-16.92) * 378 DEATH 1.44 (1.40-1.49) 3958 0.07 (0.06-0.10) 42 DEPENDENCE 237.12 (231.51-242.88) * 39679 0.02 (0.01-0.05) 4 DEPRESSION 2.18 (2.05-2.31) * 1157 0.39 (0.29-0.52) 43 DRUG EFFECTIVE FOR UNAPPROVED INDICATION 16.77 (16.11-17.46) * 3180 44.17 (42.18-46.25) * 1921 DRUG HYPERSENSITIVITY 0.57 (0.51-0.64) 327 3.30 (2.98-3.65) * 372

It is a damn shame bordering conspiracy that metamizole (https://en.wikipedia.org/wiki/Metamizole, known as Analgin in eastern Europe and the Balkans, apparently also India) is not more widely available in the west. It's literally a wonder drug, the only non-narcotic (hence non-addictive) that actually relieves serious pain (including post-op) pain in my experience.

Since I've had a fair share of it in my life so far (more than 1kg of it so far, in total), and I investigated the disparaging studies and they are definitely not convincing at all; more recent ones somewhat absolve it (check the Wikipedia page).

I've never had any side effects from it, and I don't know anyone who did, unlike for any other painkiller (diclofenac, ketoprofen, ibuprofen, acetaminophen / paracetamol).

It is a medicine where I'm almost 100% sure the studies against it are intentional sabotage by pharma companies, and the vigor and persistence this is done with is really telling (lots of doctors and pharmacists in my extended family, including in regulatory bodies). The campaign against it never ends.

Cool, throughout this entire read I was thinking "I'm gonna save this, it reads a lot like dynomight". And then at the end it turns out it was dynomight all along. I guess I should read headers more carefully.