Tylenol Side Effects

Generally, side effects only occur if you take too much Tylenol. Side effects that are potentially serious but that rarely occur include appetite loss, yellowing of the eyes or skin, kidney failure, and seizures. Most people do not experience any side effects, unless the drug is taken inappropriately. Seek immediate medical attention if you experience any possible side effects.

An Introduction to Tylenol Side Effects

As with any medicine, side effects are possible with Tylenol® (acetaminophen); however, not everyone who takes the drug will experience side effects. In fact, most people tolerate it well. In most cases, side effects of Tylenol occur only when too much of the drug is taken.
(This article covers many, but not all, of the possible side effects with Tylenol. Your healthcare provider can discuss a more complete list of Tylenol side effects with you.)

Serious Side Effects of Tylenol

Tylenol is a non-prescription medication. With prescription medications, the manufacturers must provide "prescribing information" that includes detailed information about side effects. However, such information is not available for most non-prescription medications, including Tylenol.
Most of the information about Tylenol side effects comes from information about Tylenol overdose. Therefore, these serious side effects are not common, unless, of course, you take too much Tylenol. These side effects include but are not limited to:
  • Nausea and vomiting
  • Appetite loss
  • Sweating
  • Diarrhea
  • Irritability
  • Abdominal pain, especially near the liver (the upper-right part of the stomach)
  • Yellow eyes or skin (jaundice)
  • Liver failure
  • Kidney failure
  • Heart problems
  • Coma
  • Seizures
  • Loss of life.
In rare cases, ulcers or bleeding in the digestive tract can occur with Tylenol, although it is much less common with Tylenol than with other non-prescription pain relievers, such as nonsteroidal anti-inflammatory drugs (NSAIDs).
Most people do not experience any side effects with Tylenol unless the medication is taken inappropriately.
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Tylenol Medication Information

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