Tylenol can have harmful effects, including liver damage, if it’s taken in excess of recommended doses, or in combination with other drugs. “Severe damage could occur if people take more than 4 grams of acetaminophen in 24 hours,” Dr. Ke-Qin Hu, [professor of clinical medicine], a liver disease specialist at the University of California, Irvine, said in a post about the drug. Even less can cause problems if the medicine is taken with alcohol, he added.
No, Tylenol doesn’t ruin your ability to fight COVID-19
PolitiFact, Jan. 5, 2022
January 5, 2022