Side Effects of Acetaminophen (Tylenol) Medically reviewed by Zara Risoldi Cochrane, Pharm.D., M.S., FASCP — Written by University of Illinois — Updated on March 31, 2017.

These unwanted side effects are rare if you take acetaminophen occasionally, but if you take it on a regular basis or at a higher dose than recommended, your risk increases.

Tylenol has a variety of uses, including treating fever, muscle pain, and arthritis. It is generally safe to use. However, taking more than 4,000 mg per day can cause serious side effects, such as ...

Tylenol is more dangerous than these drugs. Tylenol is one of the most dangerous drugs you can take," the husband of Real Housewives of Orange County star Heather Dubrow told Us Weekly . Getty ...

Doctors compare household painkillers like ibuprofen and acetaminophen, explaining their mechanisms and when each works best ...

Tylenol side effects The biggest side effect of Tylenol is liver damage if used too much. “Acetaminophen overdose can lead to acute liver failure, which can be fatal if not promptly treated ...

Common flu vaccine side effects include soreness at the injection site, headache, and fever. ... Taking Advil or Tylenol can treat an injection site reaction. Rare Side Effects .

If you're taking Tylenol to ease the pain, keep in mind you can take 2 pills every 4-6 hours while symptoms last. ... But it isn't without side effects and should still be used cautiously. ...

People often use the wrong painkiller or take too much too quickly, increasing the risk of side effects, say pharmacists. Here are safer and more effective ways to take drugs like Advil and Tylenol.