Acetaminophen, also known as Tylenol, is a non-steroidal anti-inflammatory drug with antipyretic and analgesic effects, similar to those of aspirin, but with weaker anti-inflammatory effects and basically no effect on platelet clotting mechanisms. Acetaminophen is mainly used for colds, fever, arthralgia, neuralgia, migraine, mild cancer pain and post-surgical pain relief. It can also be used for patients who are allergic intolerant to aspirin and not suitable for aspirin, such as hemophilia and other bleeding disorders. Adverse reactions are, in a few cases, anaphylactic reactions such as pruritus, rash, granulocyte deficiency, thrombocytopenia, anemia and hepatic and renal impairment can occur. Acetaminophen short-term application, generally does not cause gastrointestinal bleeding, for antipyretic and analgesic, do not exceed 3 consecutive days, in addition to pain relief do not exceed 5 days, too large a dose can cause liver damage, serious cases can lead to coma or even death, do not drink alcohol or drinks containing alcohol while taking.