Acetaminophen, best known as Tylenol, is being found to have serious side effects. It is one of the most widely used non-prescription pain killers in the U.S. Overdosing with it is the leading cause serious poisoning in this country. Acetaminophen was the reason for 133,000 calls to U.S. poison control centers in 2004. More than half of those cases needed treatment in a healthcare facility. It is also the leading cause of death in poison control cases. Acetaminophen can cause a wide range of health problems, some of the more serious being liver failure and kidney failure, which are both life threatening conditions.
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On the Mayo Clinic's website, there are 144 different side effects listed for Ibuprofen! And after listing them all, it says that other side effects not listed may also occur in some patients. While some side effects may seem mild, others can result in death.
A report archived on the website of the National Institutes of Health (a governemental agency that is one of the world's foremost medical research centers), reviews many side effects of NSAID's, including Ibuprofen. Some of the more serious of these are liver failure, heart attack and stroke. There are several other life threatening side effects listed.