People mainly take Acetaminophen for mood. Based on 6 first-hand reports and 599 meta-analyses & systematic reviews in the medical literature. Ranked #842 of 1,974 overall.
Of reports that state an outcome, 50% are positive.
Of the people who reported each effect, the share who said it got better.
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.
Conclusion: In this study, use of ibuprofen vs acetaminophen for the treatment of fever or pain in children younger than 2 years was associated with reduced temperature and less pain within the first 24 hours of treatment, with equivalent safety.
PubMed 33125495 ↗Conclusion: There are several acute treatments for migraine, with varying strength of supporting evidence. Use of triptans, nonsteroidal anti-inflammatory drugs, acetaminophen, dihydroergotamine, calcitonin gene-related peptide antagonists, lasmiditan, and some nonpharmacologic treatments was associated with improved pain and function. The evidence for many other interventions, including opioids, was limited.
PubMed 34128998 ↗Conclusion: Compared with placebo, NSAIDs, ketamine, and mid- to high-potency opioids are effective in reducing acute pediatric pain. NSAIDs provide the greatest benefits and least harm, suggesting that they should be the first-line therapy for acute painful conditions in children.
PubMed 39899301 ↗Conclusion: Acetaminophen use during pregnancy is associated with an increased risk for ADHD, ASD, and hyperactivity symptoms. These findings are concerning; however, results should be interpreted with caution given that the available evidence consists of observational studies and is susceptible to several potential sources of bias.
PubMed 29688261 ↗As stated by users — not a recommendation. Follow the label or your doctor.
How often each side effect came up across all reports.
Verbatim quotes, shortened only — each links to the original discussion.
“I recently went through analgesic rebound headaches from years of too much acetaminophen and ibuprofen”
“acetaminophen is toxic in large doses & depletes glutathione”
“Acetaminophen has been shown in studies to blunt emotions and empathy.”
“I always notice a mood boost from ibuprofen and paracetamol.”
“Tylenol is the number 1 cause of acute liver failure in the United States”
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate