The electromagnetic (EM) spectrum is the range of all types of EM radiation. Radiation is energy that travels and spreads out as it goes  the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation.
According to my doctor, 4 hours. You can switch them up. Take acetaminophen, (Tylenol), then wait 4 hours and take Ibuprofen, wait another 4 hours and take acetaminophen and sâ¦o on.
4 hours to leave your body so long as it.... 4. 1. It takes acetaminophen which is Tylenol, 4 hours to leave your body so long as it is not a 12 hour time release pill. In that case, it would take 12 hours. Do not take another pill until the proper time is up.You can get liver damage from taking too much Tylenol and also if you take it for too long. takes approximately 4 hours for tylenol to leave your body.... 0. 0. I takes approximately 4 hours for Tylenol to leave your body. However, if you have the time release 12 hour medication, it won`t leave your body for 12 hours. This type of pill you only take 1 every 12 hours.