See the DrugPatentWatch profile for tylenol

The frequency of Tylenol (acetaminophen) side effects can vary depending on the dosage, duration of use, and the individual's health condition. Common side effects such as nausea, stomach pain, and loss of appetite are usually mild and do not require medical attention [1].

However, serious side effects such as liver damage or failure, severe skin reactions, and allergic reactions are rare but can occur. The risk of these severe side effects increases with excessive doses or long-term use of Tylenol [1].

According to the U.S. Food and Drug Administration (FDA), acetaminophen overdose is the leading cause of acute liver failure in the United States, and it is estimated that overdoses account for nearly half of all acute liver failure cases [2].

It is important to note that Tylenol is a common ingredient in many over-the-counter and prescription medications, and individuals may unknowingly exceed the recommended daily dose [1]. Therefore, it is crucial to read medication labels carefully and consult with a healthcare provider before taking Tylenol or any other medication [1].

In summary, while Tylenol is a safe and effective medication when used as directed, it is essential to be aware of the potential side effects and to follow dosage instructions carefully to minimize the risk of adverse reactions [1].

Sources:

[1] U.S. Food and Drug Administration. (2021). Acetaminophen. <https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/acetaminophen-information>.

[2] Clayton, C. L., & Bourgeois, F. W. (2009). Acute liver failure. Critical care clinics, 25(2), 225–245. <https://doi.org/10.1016/j.ccc.2008.12.002>.

[3] DrugPatentWatch. (n.d.). Tylenol. <https://www.drugpatentwatch.com/drugs/tylenol>.