Tylenol (acetaminophen) is a common medication found in many over the counter (OTC) products found on store shelves. Acetaminophen works well when used properly and is usually safe for most people to take, the key is to make sure you are taking it the right way. Many OTC products including cough and cold medications, pain killers, sleep aids, sinus medications include acetaminophen as an active ingredient. It can also be found in combination with narcotic medications prescri