I would recommend Ibuprofen. Aspirin inhibits thrombocyte aggregation and depending on the extend of your patient's liver dysfunction, regular use of Aspirin might aggravate bleeding complications. Acetaminophen might not be the best choice due to obvious reasons (metabolized in the liver). But honestly, LOW doses of any of these drugs just a few times a month should not be harmful at all if your patient does not already have severe liver disease (e.g. Child B/C cirrhosis).
Dr.Daniel, may you shed more light into the Aspirin complication (Thrombocyte aggregation and liver dysfunction)? Can Aspirin induce bleeding complication from just occasional use ?
acetylsalicylic acid inhibits cyclooxygenases irreversibly by acetylating them and subsequently reduce levels of prostaglandines and thromboxanes. Low doses of just 100mg do inhibit pro-thrombotic thromboxanes effectively for about 7 - 10 days and thus pose an increased risk of bleeding (probably even after one use). All studies that I am aware of and that do study the risk of major bleeding events (like intracranial hemorrhage) accompanying Aspirin use look at patient populations with long-term Aspirin use (e.g. indicated after myocardial infarction). I am not entirely sure whether there is any literature indicating that a tablet of Aspirin once or twice a month significantly increases bleeding risk (especially with concomitant liver disease). You might want to search UpToDate in this regard.
Glutathione depletion ( worsen NAFLD) associated with chronic ingestion of acetominaphine has also associated with metabolic acidosis due to the accumulation of 5-oxoproline. Ibuprofin would be safer
There are numerous studies have catergorically clarified Acetominophine toxicity some of them were published in peer-reviewed journals compared to ibuprofin. Your articles represent the authors opinions and need some reviews!.Furthermore, about 90% of acetaminophine gets hepatic metabolism
Yeah, I'm aware about APAP toxicity, and the mechanism behind its toxicity, but I was referring to the doses recommended, no toxicity would occur, because the cases where toxicity occurs, there was overdosage.
Coadministered acetaminophine with ethanol containing products can cause hepatotoxicity, people who are on diet(let alone NAFLD) are at risk of glutathione depletion when they consume aceta at recommended dose.
I'm aware that NAFLD increases the risk of APAP toxicity, but is there any study or case report that confirm that at the recommended doses, any patient with NAFLD suffered APAP toxicity ?